自定义SWT控件四之其它下拉框

4、其它下拉框

4.1 添加联动二级多选择框（有添加按钮和删除按钮）

package com.view.control.select;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.CLabel;

import org.eclipse.swt.custom.ScrolledComposite;

import org.eclipse.swt.graphics.Rectangle;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Listener;

import org.eclipse.swt.widgets.Shell;

import com.global.constant.Constants;

import com.util.CollectionUtil;

import com.util.FileUtil;

import com.view.control.DefinedControl;

import com.view.control.select.DefinedCommonMultiSelect.DefinedCommonMultiSelectEvent;

import com.view.control.select.DropDownBox.Data;

import com.view.swt.SWTResourceManager;

import com.view.util.ImageUtil;

/**

 * <p>添加联动二级多选择框（有添加按钮和删除按钮）</p>

 * <p>

 *   第一级为单选框（目前不带搜索功能）<br>

 *   第二级为不带搜索功能的多选项框

 * </p>

 * @version V1.0

 */

public class DefinedFormAddLinkageMultiSelect extends DefinedControl {

    /****内容容器*****/

    private Composite addComposite;

    /****显示名称控件****/

    private CLabel name;

    /****选中内容显示的文本区域 + 下拉图标 总宽度****/

    private int chooseWidth = 323;

    private int chooseHeight = 32;

    /****内容框中的每项的高度*****/

    private int chooseItemHeight = 24;

    /*****显示名称**********/

    private String nameText;

    /*****设置显示名称控件的宽度*****/

    private int nameWidth = 100;

    private List<DropDownBox.Data> selectedList = new ArrayList<DropDownBox.Data>();

    /****每个下拉框的中每行的宽度****/

    private int comboRowWidth;

    private int comboRowHeight = 0;

    /*****主要是数据交互使用*******/

    private DefinedCommonMultiSelectEvent itemHandlerListener;

    private DefinedFormAddLinkageMultiSelectEvent linkageMultiSelectEvent;

    private Listener firsetSelectListener;

    private Label addImg ;

    private List<DropDownBox.Data> firstDefaultSelectValueList;

    private List<Composite> addRowCompositeList = new ArrayList<>();

    /*****点击第二级下拉中的小删除按钮发生的额外事件*****/

    private Listener deleteBtnListener;

    public DefinedFormAddLinkageMultiSelect(Composite parent,String nameText,List<DropDownBox.Data> firstSelectedList,int chooseWidth,DefinedFormAddLinkageMultiSelectEvent linkageMultiSelectEvent) {

        super(parent);

       this.nameText = nameText;

       this.selectedList = firstSelectedList;

       this.comboRowWidth = chooseWidth/2;

       this.chooseWidth = chooseWidth;

       this.linkageMultiSelectEvent = linkageMultiSelectEvent;

    }

    public DefinedFormAddLinkageMultiSelect(Composite parent,String nameText,List<DropDownBox.Data> firstSelectedList,int nameTextWidth,int chooseWidth,int chooseItemHeight,int chooseHeight,DefinedFormAddLinkageMultiSelectEvent linkageMultiSelectEvent) {

       this(parent,nameText,firstSelectedList,chooseWidth,linkageMultiSelectEvent);

       this.nameWidth = nameTextWidth;

       this.chooseItemHeight = chooseItemHeight;

       this.chooseHeight = chooseHeight;

    }

    @Override

    public void paint() {

        generateAddComposite(this.parent);

    }

    private void generateAddComposite(Composite contentComposite){

        /****显示添加一行(第一行24像素高，后面每一行 chooseHeight高)****/

        addComposite = new Composite(contentComposite,SWT.NONE);

        GridData gd_addComposite = new GridData(SWT.FILL, SWT.CENTER, true, true, 1, 1);

        addComposite.setLayoutData(gd_addComposite);

        GridLayout gl_addComposite = new GridLayout(2,false);

        gl_addComposite.horizontalSpacing = 5;

        gl_addComposite.verticalSpacing = 15;

        gl_addComposite.marginHeight = 0;

        gl_addComposite.marginWidth = 0;

        addComposite.setLayout(gl_addComposite);

        addComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        name = new CLabel(addComposite,SWT.NONE);

        GridData gd_addLabel = new GridData(SWT.RIGHT, SWT.FILL, false, false, 1, 1);

        gd_addLabel.widthHint = this.nameWidth;

        gd_addLabel.heightHint = 20;

        name.setLayoutData(gd_addLabel);

        name.setAlignment(SWT.RIGHT);

        name.setText(this.nameText);

        name.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        name.setForeground(SWTResourceManager.getColor(51,51,51));

        addImg = new Label(addComposite,SWT.NONE);

        GridData gd_addImg = new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1);

        gd_addImg.widthHint = 24;

        gd_addImg.heightHint = 24;

        addImg.setLayoutData(gd_addImg);

        addImg.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.ADD_ICON)));

        addImg.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        addImg.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND));

        addImg.addListener(SWT.MouseDown, new Listener(){

            @Override

            public void handleEvent(Event event) {

                generateAddRowComposite(addComposite,null);

                reLayout();

            }

        });

        if(CollectionUtil.isNotEmpty(firstDefaultSelectValueList)){

            for(DropDownBox.Data firstDefaultSelectValue:firstDefaultSelectValueList){

                generateAddRowComposite(addComposite,firstDefaultSelectValue);

            }

        }

        reLayout();

    }

    private void reLayout(){

        Composite contentComposite = addComposite;

        while(contentComposite != this.parent){

            contentComposite.layout(true);

            contentComposite = contentComposite.getParent();

        }

        contentComposite.layout(true);

        Composite parentComposite = contentComposite.getParent();

        while(!(parentComposite instanceof ScrolledComposite) && !(parentComposite instanceof Shell)){

            parentComposite.layout(true);

            contentComposite = parentComposite;

            parentComposite = parentComposite.getParent();

        }

        if(parentComposite instanceof ScrolledComposite){

            ((ScrolledComposite)parentComposite).setMinSize(contentComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT));

        }

    }

    /**

     *

     * @param contentComposite   为addComposite（2列）

     */

    private void generateAddRowComposite(Composite contentComposite,DropDownBox.Data defaultValue){

        Composite addRowComposite = new Composite(contentComposite,SWT.NONE);

        GridData gd_addRowComposite = new GridData(SWT.FILL, SWT.FILL, false, false, 2, 1);

        gd_addRowComposite.heightHint = this.chooseHeight;

        addRowComposite.setLayoutData(gd_addRowComposite);

        GridLayout gl_addRowComposite = new GridLayout(5,false);

        gl_addRowComposite.horizontalSpacing = 5;

        gl_addRowComposite.verticalSpacing = 0;

        gl_addRowComposite.marginHeight = 0;

        gl_addRowComposite.marginWidth = 0;

        addRowComposite.setLayout(gl_addRowComposite);

        addRowComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        CLabel emptyLabel = new CLabel(addRowComposite,SWT.NONE);

        GridData gd_addLabel = new GridData(SWT.RIGHT, SWT.FILL, false, true, 1, 1);

        gd_addLabel.widthHint = this.nameWidth;

        emptyLabel.setLayoutData(gd_addLabel);

        emptyLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        DefinedSingleSelect firstSelect = new DefinedSingleSelect(addRowComposite,this.selectedList,this.chooseWidth /2,this.chooseHeight);

        List<DropDownBox.Data> secondDataList = new ArrayList<>();

        List<DropDownBox.Data> secondDefaultList = new ArrayList<DropDownBox.Data>();

        if(null != defaultValue){

            secondDataList = linkageMultiSelectEvent.getSecondData(defaultValue);

            secondDefaultList = linkageMultiSelectEvent.getSecondDefaultValueList(defaultValue);

        }

        DefinedMultiSelect multiSelect = new DefinedMultiSelect(addRowComposite,secondDataList,this.chooseWidth /2,this.chooseItemHeight );

        if(null != defaultValue){

            firstSelect.setDefaultValue(defaultValue);

        }

        if(CollectionUtil.isNotEmpty(secondDefaultList)){

            multiSelect.setDefaultValueList(secondDefaultList);

        }

        if(this.comboRowWidth != 0){

            firstSelect.setComboRowWidth(this.comboRowWidth );

            multiSelect.setComboRowWidth(this.comboRowWidth);

        }

        if(this.comboRowHeight != 0){

            firstSelect.setComboRowHeight(this.comboRowHeight);

            multiSelect.setComboRowHeight(this.comboRowHeight);

        }

        firstSelect.addSelectListener(new Listener(){

            @Override

            public void handleEvent(Event event) {

                CLabel itemLabel = (CLabel)event.widget;

                DropDownBox.Data data = (Data)itemLabel.getData("data");

                multiSelect.disposeAllChooseItem();

                List<DropDownBox.Data> secondDataList = linkageMultiSelectEvent.getSecondData(data);

                multiSelect.setComboDataList(secondDataList);

                itemLabel.setData("firstSelect", firstSelect);

            }

        });

        //主要用于控制样式

        multiSelect.addItemHandlerListener(new DefinedCommonMultiSelectEvent() {

            @Override

            public void disposeItemEvent(Data data, Composite text_composite) {

                ((GridData)addRowComposite.getLayoutData()).heightHint = multiSelect.getHeight();

                reLayout();

            }

            @Override

            public void addItemEvent(Data data, Composite text_composite) {

                ((GridData)addRowComposite.getLayoutData()).heightHint = multiSelect.getHeight();

                reLayout();

            }

        });

        if(null != itemHandlerListener){

            multiSelect.addItemHandlerListener(itemHandlerListener);

        }

        if(null != firsetSelectListener){

            firstSelect.addSelectListener(firsetSelectListener);

        }

        firstSelect.paint();

        firstSelect.getContentText().setData("firstSelect", firstSelect);

        multiSelect.paint();

        multiSelect.getChooseComposite().setData(firstSelect);

        Label deleteImg = new Label(addRowComposite,SWT.NONE);

        GridData gd_deleteImg = new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1);

        gd_deleteImg.widthHint = 24;

        gd_deleteImg.heightHint = 24;

        deleteImg.setLayoutData(gd_deleteImg);

        deleteImg.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.DELETE_ICON)));

        deleteImg.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        deleteImg.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND));

        deleteImg.setData("multiSelect", multiSelect);   //将删除按钮绑定到第一个下拉框上

        deleteImg.setData("firstSelect", firstSelect);   //将删除按钮绑定到第一个下拉框上

        if(this.deleteBtnListener != null){

            deleteImg.addListener(SWT.MouseDown,this.deleteBtnListener);

        }

        deleteImg.addListener(SWT.MouseDown, new Listener(){

            @Override

            public void handleEvent(Event event) {

                multiSelect.disposeAllChooseItem();

                addRowCompositeList.remove(addRowComposite);

                addRowComposite.dispose();

                reLayout();

            }

        });

        addRowComposite.setData("firstSelect", firstSelect);

        addRowComposite.setData("multiSelect", multiSelect);

        Label mentionLabel = new Label(addRowComposite,SWT.WRAP);

        GridData gd_mention = new GridData(SWT.LEFT, SWT.CENTER, false, true, 1, 1);

        Rectangle bounds = contentComposite.getBounds();

        if(bounds.width == 0){

            bounds = contentComposite.getParent().getParent().getBounds();

        }

        gd_mention.widthHint = bounds.width - this.nameWidth - this.chooseWidth -24-15;

        mentionLabel.setLayoutData(gd_mention);

        mentionLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        mentionLabel.setForeground(SWTResourceManager.getColor(51,51,51));

        addRowComposite.layout(true);

        addRowCompositeList.add(addRowComposite);

    }

    public interface DefinedFormAddLinkageMultiSelectEvent{

        /*****根据第一个下拉框选择的内容动态生成第二个框选择的内容******/

        List<DropDownBox.Data> getSecondData(DropDownBox.Data firstValue);

        /*****根据第一个获取其默认已经配置的内容*****/

        List<DropDownBox.Data> getSecondDefaultValueList(DropDownBox.Data firstValue);

    }

    public int getChooseWidth() {

        return chooseWidth;

    }

    public void setChooseWidth(int chooseWidth) {

        this.chooseWidth = chooseWidth;

    }

    public int getChooseHeight() {

        return chooseHeight;

    }

    public void setChooseHeight(int chooseHeight) {

        this.chooseHeight = chooseHeight;

    }

    public int getChooseItemHeight() {

        return chooseItemHeight;

    }

    public void setChooseItemHeight(int chooseItemHeight) {

        this.chooseItemHeight = chooseItemHeight;

    }

    public int getNameWidth() {

        return nameWidth;

    }

    public void setNameWidth(int nameWidth) {

        this.nameWidth = nameWidth;

    }

    public int getComboRowWidth() {

        return comboRowWidth;

    }

    public void setComboRowWidth(int comboRowWidth) {

        this.comboRowWidth = comboRowWidth;

    }

    public int getComboRowHeight() {

        return comboRowHeight;

    }

    public void setComboRowHeight(int comboRowHeight) {

        this.comboRowHeight = comboRowHeight;

    }

    public void setNameText(String nameText) {

        this.nameText = nameText;

    }

    /*****

     * 第二个多选择框在删除一个选择项和新增一个选择项发生的事件（主要是数据交互）

     * @param itemHandlerListener

     */

    public void setItemHandlerListener(DefinedCommonMultiSelectEvent itemHandlerListener) {

        this.itemHandlerListener = itemHandlerListener;

    }

    public void setLinkageMultiSelectEvent(DefinedFormAddLinkageMultiSelectEvent linkageMultiSelectEvent) {

        this.linkageMultiSelectEvent = linkageMultiSelectEvent;

    }

    public void setFirsetSelectListener(Listener firsetSelectListener) {

        this.firsetSelectListener = firsetSelectListener;

    }

    public void setFirstDefaultSelectValueList(List<DropDownBox.Data> firstDefaultSelectValueList) {

        this.firstDefaultSelectValueList = firstDefaultSelectValueList;

    }

    public List<DropDownBox.Data> getSelectedList() {

        return selectedList;

    }

    public void setDeleteBtnListener(Listener deleteBtnListener) {

        this.deleteBtnListener = deleteBtnListener;

    }

    public List<Composite> getAddRowCompositeList() {

        return addRowCompositeList;

    }

}

4.2 二级联动下拉框，第二级带搜索功能

package com.view.control.select;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.CLabel;

import org.eclipse.swt.custom.ScrolledComposite;

import org.eclipse.swt.graphics.Rectangle;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Listener;

import org.eclipse.swt.widgets.Shell;

import com.global.constant.Constants;

import com.util.CollectionUtil;

import com.util.FileUtil;

import com.util.StringUtil;

import com.view.control.DefinedControl;

import com.view.control.DefinedSearchText;

import com.view.control.select.DefinedCommonMultiSelect.DefinedCommonMultiSelectEvent;

import com.view.swt.SWTResourceManager;

import com.view.swt.StyleTextLink;

import com.view.util.ImageUtil;

/**

 * <p>联动二级搜索下拉框</p>

 *  * <p>

 *   第一级为单选框（目前不带搜索功能）<br>

 *   第二级为带搜索功能的多选项框

 * </p>

 * @version V1.0

 */

public class DefinedFormSearchAddLinkageMultiSelect extends DefinedControl {

    /****内容容器*****/

    private Composite addComposite;

    /****显示名称控件****/

    private CLabel name;

    /****选中内容显示的文本区域 + 下拉图标 总宽度****/

    private int chooseWidth = 323;

    private int chooseHeight = 32;

    /****内容框中的每项的高度*****/

    private int chooseItemHeight = 24;

    /*****显示名称**********/

    private String nameText;

    /*****设置显示名称控件的宽度*****/

    private int nameWidth = 100;

    private List<DropDownBox.Data> selectedList = new ArrayList<DropDownBox.Data>();

    /****每个下拉框的中每行的宽度****/

    private int comboRowWidth;

    private int comboRowHeight = 0;

    /*****主要是数据交互使用*******/

    private DefinedCommonMultiSelectEvent itemHandlerListener;

    private Listener firsetSelectListener;

    private Label addImg ;

    private List<DropDownBox.Data> firstDefaultSelectValueList;

    private List<Composite> addRowCompositeList = new ArrayList<>();

    /*****点击第二级下拉中的小删除按钮发生的额外事件*****/

    private Listener deleteBtnListener;

    /*****添加一行时出现的额外事件**********/

    private Listener addRowListener;

    private DefinedFormSearchAddLinkageMultiSelectEvent linkageMultiSelectEvent;

    private boolean asynchronous = false;

    private int pagePerNum = 10;

    private String defaultMultiSearchMentionHint;

    private boolean multiInitEmpty;

    private StyleTextLink.StyleTextLinkEvent linkEvent;

    private int mentionWidth;

    public DefinedFormSearchAddLinkageMultiSelect(Composite parent,String nameText,List<DropDownBox.Data> firstSelectedList,int chooseWidth) {

        super(parent);

       this.nameText = nameText;

       this.selectedList = firstSelectedList;

       this.comboRowWidth = chooseWidth/2;

       this.chooseWidth = chooseWidth;

    }

    public DefinedFormSearchAddLinkageMultiSelect(Composite parent,String nameText,List<DropDownBox.Data> firstSelectedList,int nameTextWidth,int chooseWidth,int chooseItemHeight,int chooseHeight,DefinedFormSearchAddLinkageMultiSelectEvent linkageMultiSelectEvent) {

       this(parent,nameText,firstSelectedList,chooseWidth);

       this.nameWidth = nameTextWidth;

       this.chooseItemHeight = chooseItemHeight;

       this.chooseHeight = chooseHeight;

       this.linkageMultiSelectEvent = linkageMultiSelectEvent;

    }

    @Override

    public void paint() {

        generateAddComposite(this.parent);

    }

    private void generateAddComposite(Composite contentComposite){

        /****显示添加一行(第一行24像素高，后面每一行 chooseHeight高)****/

        addComposite = new Composite(contentComposite,SWT.NONE);

        GridData gd_addComposite = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1);

        addComposite.setLayoutData(gd_addComposite);

        GridLayout gl_addComposite = new GridLayout(2,false);

        gl_addComposite.horizontalSpacing = 5;

        gl_addComposite.verticalSpacing = 15;

        gl_addComposite.marginHeight = 0;

        gl_addComposite.marginWidth = 0;

        addComposite.setLayout(gl_addComposite);

        addComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        name = new CLabel(addComposite,SWT.NONE);

        GridData gd_addLabel = new GridData(SWT.RIGHT, SWT.FILL, false, false, 1, 1);

        gd_addLabel.widthHint = this.nameWidth;

        gd_addLabel.heightHint = 20;

        name.setLayoutData(gd_addLabel);

        name.setAlignment(SWT.RIGHT);

        name.setText(this.nameText);

        name.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        name.setForeground(SWTResourceManager.getColor(51,51,51));

        addImg = new Label(addComposite,SWT.NONE);

        GridData gd_addImg = new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1);

        gd_addImg.widthHint = 24;

        gd_addImg.heightHint = 24;

        addImg.setLayoutData(gd_addImg);

        addImg.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.ADD_ICON)));

        addImg.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        addImg.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND));

        addImg.addListener(SWT.MouseDown, new Listener(){

            @Override

            public void handleEvent(Event event) {

                generateAddRowComposite(addComposite,null);

                reLayout();

            }

        });

        if(CollectionUtil.isNotEmpty(firstDefaultSelectValueList)){

            for(DropDownBox.Data firstDefaultSelectValue:firstDefaultSelectValueList){

                generateAddRowComposite(addComposite,firstDefaultSelectValue);

            }

        }

        reLayout();

    }

    private void reLayout(){

        Composite contentComposite = addComposite;

        while(contentComposite != this.parent){

            contentComposite.layout(true);

            contentComposite = contentComposite.getParent();

        }

        contentComposite.layout(true);

        Composite parentComposite = contentComposite.getParent();

        while(!(parentComposite instanceof ScrolledComposite) && !(parentComposite instanceof Shell)){

            parentComposite.layout(true);

            contentComposite = parentComposite;

            parentComposite = parentComposite.getParent();

        }

        if(parentComposite instanceof ScrolledComposite){

            ((ScrolledComposite)parentComposite).setMinSize(contentComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT));

        }

    }

    /**

     *

     * @param contentComposite   为addComposite（2列）

     */

    private void generateAddRowComposite(Composite contentComposite,DropDownBox.Data defaultValue){

        Composite addRowComposite = new Composite(contentComposite,SWT.NONE);

        GridData gd_addRowComposite = new GridData(SWT.FILL, SWT.FILL, false, false, 2, 1);

        gd_addRowComposite.heightHint = this.chooseHeight;

        addRowComposite.setLayoutData(gd_addRowComposite);

        GridLayout gl_addRowComposite = new GridLayout(5,false);

        gl_addRowComposite.horizontalSpacing = 5;

        gl_addRowComposite.verticalSpacing = 0;

        gl_addRowComposite.marginHeight = 0;

        gl_addRowComposite.marginWidth = 0;

        addRowComposite.setLayout(gl_addRowComposite);

        addRowComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        CLabel emptyLabel = new CLabel(addRowComposite,SWT.NONE);

        GridData gd_addLabel = new GridData(SWT.RIGHT, SWT.FILL, false, true, 1, 1);

        gd_addLabel.widthHint = this.nameWidth;

        emptyLabel.setLayoutData(gd_addLabel);

        emptyLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        DefinedSingleSelect firstSelect = new DefinedSingleSelect(addRowComposite,this.selectedList,this.chooseWidth /2,this.chooseHeight);

        DefinedSearchMultiSelect multiSelect = new DefinedSearchMultiSelect(addRowComposite,new DefinedSearchMultiSelect.SearchMultiSelectEvent(){

            @Override

            public DefinedSearchText.SearchPageResult<DropDownBox.Data> search(Event event, String searchKeys, int pageNum, int pagePerNum, List<Object> filters) {

                return linkageMultiSelectEvent.search(event, searchKeys, pageNum, pagePerNum, filters);

            }

            @Override

            public String verifySearchContent(String searchKey) {

                return linkageMultiSelectEvent.verifySearchContent(searchKey);

            }

        },this.chooseWidth /2,this.chooseItemHeight );

        multiSelect.setAsynchronous(asynchronous);

        multiSelect.setInitEmpty(this.multiInitEmpty);

        multiSelect.setLinkEvent(linkEvent);

        if(pagePerNum>0){

            multiSelect.setPagePerNum(pagePerNum);

        }

        if(StringUtil.isNotNullAndEmpty(defaultMultiSearchMentionHint)){

            multiSelect.setDefaultMentionHint(defaultMultiSearchMentionHint);

        }

        List<DropDownBox.Data> secondDefaultList = new ArrayList<DropDownBox.Data>();

        if(null != defaultValue){

            firstSelect.setDefaultValue(defaultValue);

            multiSelect.addSearchExternalFilter(defaultValue.getValue());

            multiSelect.setInitEmpty(false);

            secondDefaultList = linkageMultiSelectEvent.getSecondDefaultValueList(defaultValue);

        }

        if(CollectionUtil.isNotEmpty(secondDefaultList)){

            multiSelect.setDefaultValueList(secondDefaultList);

        }

        if(this.comboRowWidth != 0){

            firstSelect.setComboRowWidth(this.comboRowWidth );

            multiSelect.setComboRowWidth(this.comboRowWidth);

        }

        if(this.comboRowHeight != 0){

            firstSelect.setComboRowHeight(this.comboRowHeight);

            multiSelect.setComboRowHeight(this.comboRowHeight);

        }

        firstSelect.addSelectListener(new Listener(){

            @Override

            public void handleEvent(Event event) {

                CLabel itemLabel = (CLabel)event.widget;

                DropDownBox.Data data = (DropDownBox.Data)itemLabel.getData("data");

                multiSelect.disposeAllChooseItem();

                multiSelect.replaceSearchExternalFilter(data.getValue(), 0);

                multiSelect.setInitEmpty(false);

                itemLabel.setData("firstSelect", firstSelect);

            }

        });

        //主要用于控制样式

        multiSelect.addItemHandlerListener(new DefinedCommonMultiSelectEvent() {

            @Override

            public void disposeItemEvent(DropDownBox.Data data, Composite text_composite) {

                ((GridData)addRowComposite.getLayoutData()).heightHint = multiSelect.getHeight();

                reLayout();

            }

            @Override

            public void addItemEvent(DropDownBox.Data data, Composite text_composite) {

                ((GridData)addRowComposite.getLayoutData()).heightHint = multiSelect.getHeight();

                reLayout();

            }

        });

        if(null != itemHandlerListener){

            multiSelect.addItemHandlerListener(itemHandlerListener);

        }

        if(null != firsetSelectListener){

            firstSelect.addSelectListener(firsetSelectListener);

        }

        firstSelect.paint();

        firstSelect.getContentText().setData("firstSelect", firstSelect);

        multiSelect.paint();

        multiSelect.getChooseComposite().setData(firstSelect);

        Label deleteImg = new Label(addRowComposite,SWT.NONE);

        GridData gd_deleteImg = new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1);

        gd_deleteImg.widthHint = 24;

        gd_deleteImg.heightHint = 24;

        deleteImg.setLayoutData(gd_deleteImg);

        deleteImg.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.DELETE_ICON)));

        deleteImg.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        deleteImg.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND));

        deleteImg.setData("multiSelect", multiSelect);   //将多选框绑定到删除图标上

        deleteImg.setData("firstSelect", firstSelect);   //将第一个下拉框绑定到删除图标上

        if(this.deleteBtnListener != null){

            deleteImg.addListener(SWT.MouseDown,this.deleteBtnListener);

        }

        deleteImg.addListener(SWT.MouseDown, new Listener(){

            @Override

            public void handleEvent(Event event) {

                multiSelect.disposeAllChooseItem();

                addRowCompositeList.remove(addRowComposite);

                addRowComposite.dispose();

                reLayout();

            }

        });

        addRowComposite.setData("firstSelect", firstSelect);

        addRowComposite.setData("multiSelect", multiSelect);

        Label mentionLabel = new Label(addRowComposite,SWT.WRAP);

        GridData gd_mention = new GridData(SWT.LEFT, SWT.CENTER, false, true, 1, 1);

        if(this.mentionWidth != 0){

            gd_mention.widthHint = this.mentionWidth;

        }else{

            Rectangle bounds = contentComposite.getBounds();

            if(bounds.width == 0){

                bounds = contentComposite.getParent().getParent().getBounds();

            }

            gd_mention.widthHint = bounds.width - this.nameWidth - this.chooseWidth -24-15;

        }

        mentionLabel.setLayoutData(gd_mention);

        mentionLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        mentionLabel.setForeground(SWTResourceManager.getColor(51,51,51));

        addRowComposite.layout(true);

        addRowCompositeList.add(addRowComposite);

        if(addRowListener != null){

            Event addRowEvent = new Event();

            addRowEvent.widget = addRowComposite;

            addRowEvent.button = 1;

            addRowListener.handleEvent(addRowEvent);

        }

    }

    public interface DefinedFormSearchAddLinkageMultiSelectEvent{

        /*****根据第一个获取其默认已经配置的内容*****/

        List<DropDownBox.Data> getSecondDefaultValueList(DropDownBox.Data firstValue);

        DefinedSearchText.SearchPageResult<DropDownBox.Data> search(Event event,String searchKeys,int pageNum,int pagePerNum,List<Object> filters);

        String verifySearchContent(String searchKey);

    }

    public int getChooseWidth() {

        return chooseWidth;

    }

    public void setChooseWidth(int chooseWidth) {

        this.chooseWidth = chooseWidth;

    }

    public int getChooseHeight() {

        return chooseHeight;

    }

    public void setChooseHeight(int chooseHeight) {

        this.chooseHeight = chooseHeight;

    }

    public int getChooseItemHeight() {

        return chooseItemHeight;

    }

    public void setChooseItemHeight(int chooseItemHeight) {

        this.chooseItemHeight = chooseItemHeight;

    }

    public int getNameWidth() {

        return nameWidth;

    }

    public void setNameWidth(int nameWidth) {

        this.nameWidth = nameWidth;

    }

    public int getComboRowWidth() {

        return comboRowWidth;

    }

    public void setComboRowWidth(int comboRowWidth) {

        this.comboRowWidth = comboRowWidth;

    }

    public int getComboRowHeight() {

        return comboRowHeight;

    }

    public void setComboRowHeight(int comboRowHeight) {

        this.comboRowHeight = comboRowHeight;

    }

    public void setNameText(String nameText) {

        this.nameText = nameText;

    }

    /*****

     * 第二个多选择框在删除一个选择项和新增一个选择项发生的事件（主要是数据交互）

     * @param itemHandlerListener

     */

    public void setItemHandlerListener(DefinedCommonMultiSelectEvent itemHandlerListener) {

        this.itemHandlerListener = itemHandlerListener;

    }

    public void setLinkageMultiSelectEvent(DefinedFormSearchAddLinkageMultiSelectEvent linkageMultiSelectEvent) {

        this.linkageMultiSelectEvent = linkageMultiSelectEvent;

    }

    public void setFirsetSelectListener(Listener firsetSelectListener) {

        this.firsetSelectListener = firsetSelectListener;

    }

    public void setFirstDefaultSelectValueList(List<DropDownBox.Data> firstDefaultSelectValueList) {

        this.firstDefaultSelectValueList = firstDefaultSelectValueList;

    }

    public List<DropDownBox.Data> getSelectedList() {

        return selectedList;

    }

    /**

     * 设置删除整行的逻辑 其中event widget获取的是删除图标，通过删除图标获取第一个下拉框和第二个多选下拉框

     * @param deleteBtnListener

     */

    public void setDeleteBtnListener(Listener deleteBtnListener) {

        this.deleteBtnListener = deleteBtnListener;

    }

    public List<Composite> getAddRowCompositeList() {

        return addRowCompositeList;

    }

    public int getPagePerNum() {

        return pagePerNum;

    }

    public void setPagePerNum(int pagePerNum) {

        this.pagePerNum = pagePerNum;

    }

    public boolean isAsynchronous() {

        return asynchronous;

    }

    public void setAsynchronous(boolean asynchronous) {

        this.asynchronous = asynchronous;

    }

    public String getDefaultMultiSearchMentionHint() {

        return defaultMultiSearchMentionHint;

    }

    public void setDefaultMultiSearchMentionHint(String defaultMultiSearchMentionHint) {

        this.defaultMultiSearchMentionHint = defaultMultiSearchMentionHint;

    }

    public boolean isMultiInitEmpty() {

        return multiInitEmpty;

    }

    public void setMultiInitEmpty(boolean multiInitEmpty) {

        this.multiInitEmpty = multiInitEmpty;

    }

    public void setLinkEvent(StyleTextLink.StyleTextLinkEvent linkEvent) {

        this.linkEvent = linkEvent;

    }

    /**

     * 添加一行触发的事件

     * @param addRowListener event 中widget是行控件 Composite

     */

    public void setAddRowListener(Listener addRowListener) {

        this.addRowListener = addRowListener;

    }

    public int getMentionWidth() {

        return mentionWidth;

    }

    public void setMentionWidth(int mentionWidth) {

        this.mentionWidth = mentionWidth;

    }

}

4.3 带搜索功能的二级联动框

package com.view.control.select;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.CLabel;

import org.eclipse.swt.custom.ScrolledComposite;

import org.eclipse.swt.graphics.Rectangle;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Listener;

import org.eclipse.swt.widgets.Shell;

import com.global.constant.Constants;

import com.util.CollectionUtil;

import com.util.FileUtil;

import com.util.StringUtil;

import com.view.control.DefinedControl;

import com.view.control.select.DefinedCommonSingleSelect.DefinedCommonSingleSelectEvent;

import com.view.control.select.DropDownBox.Data;

import com.view.swt.SWTResourceManager;

import com.view.swt.StyleTextLink;

import com.view.util.ImageUtil;

/**

 * <p>添加联动二级多选框（有添加删除按钮）</p>

  * <p>

 *   第一级为单选框（可带搜索功能）<br>

 *   第二级为单选框（可带搜索功能）

 * </p>

 * <p>

 *   区分第一级拉框是否是带搜索功能，取决于firstSearchEvent 变量是否为null，不为null表示带搜索功能<br>

 *   区分第二级拉框是否是带搜索功能，取决于secondSearchEvent 变量是否为null，不为null表示带搜索功能<br>

 * </p>

 * <p>

 *   第一级下拉框可以通过 listener 方法 event的widget 使用getData("firstSelect") 获取下拉框本身<br>

 *   第二级下拉框可以通过 listener 方法 event的widget 使用getData("firstSelect") 获取第一个下拉框对象，通过getData("secondSelect")获取第二个下拉框本身<br>

 *   deleteBtnListener 通用event的widget使用getData("firstSelect") 获取第一个下拉框对象，通过getData("secondSelect")获取第二个下拉框

 * <p>

 * @version V1.0

 */

public class DefinedFromAddLinkageSingleSelect extends DefinedControl {

    /****内容容器*****/

    private Composite addComposite;

    /****显示名称控件****/

    private CLabel name;

    /****选中内容显示的文本区域 + 下拉图标 总宽度(两级)****/

    private int chooseWidth = 323;

    private int chooseHeight = 32;

    /*****显示名称**********/

    private String nameText;

    /*****设置显示名称控件的宽度*****/

    private int nameWidth = 100;

    /****每个下拉框的中每行的宽度****/

    private int comboRowWidth;

    private int comboRowHeight = 0;

    private Label addImg ;

    /*****点击第二级下拉中的小删除按钮发生的额外事件*****/

    private Listener deleteBtnListener;

    /****联动事件*****/

    private DefinedFromAddLinkageSingleSelectEvent linkageSelectEvent;

    /****是否将value也显示在下拉框中，呈现效果为(display(value))****/

    private boolean showValue;

    private List<Composite> addRowCompositeList = new ArrayList<>();

    //****以下为第一级下拉框不带搜索功能需要使用的变量***************//

    /****第一级下拉框选择范围内容（若第一级下拉框带搜索功能，不需要传递该值，应实现搜索方法，通过搜索方法填充第一级下拉框选择范围）***/

    private List<DropDownBox.Data> firstSelectedList = new ArrayList<DropDownBox.Data>();

    //****结束**************/

    //****以下为第一级下拉框带搜索功能的用法*****//

    /***是否异步分页加载**/

    private boolean firstAsynchronous;

    /***搜索框中的默认提示*****/

    private String firstDefaultMultiSearchMentionHint;

    /**链接事件******/

    private StyleTextLink.StyleTextLinkEvent firstLinkEvent;

    private DefinedSearchSingleSelect.SearchSingleSelectEvent firstSearchEvent;

    // ************结束*********************//

    //*******第一级下拉框公用变量***********//

    /****第一级搜索框默认内容********/

    private List<DropDownBox.Data> firstDefaultSelectValueList;

    /****选中第一级搜索框触发的事件*******/

    private Listener firsetSelectListener;

    private DefinedCommonSingleSelectEvent firstDropdownBeforeEvent;

    // ************结束*********************//

    // ****以下为第二级下拉框带搜索功能的用法*****//

    /*** 是否异步分页加载 **/

    private boolean secondAsynchronous;

    /*** 搜索框中的默认提示 *****/

    private String secondDefaultMultiSearchMentionHint;

    /** 链接事件 ******/

    private StyleTextLink.StyleTextLinkEvent secondLinkEvent;

    private DefinedSearchSingleSelect.SearchSingleSelectEvent secondSearchEvent;

    // ************结束*********************//

    // *******第二级下拉框公用变量***********//

    /**** 选中第二级搜索框触发的事件 *******/

    private Listener secondSelectListener;

    private DefinedCommonSingleSelectEvent secondDropdownBeforeEvent;

    // ************结束*********************//

    public DefinedFromAddLinkageSingleSelect(Composite parent, String nameText, int chooseWidth,

            DefinedFromAddLinkageSingleSelectEvent linkageSelectEvent) {

        super(parent);

        this.nameText = nameText;

        this.comboRowWidth = chooseWidth / 2;

        this.chooseWidth = chooseWidth;

        this.linkageSelectEvent = linkageSelectEvent;

    }

    public DefinedFromAddLinkageSingleSelect(Composite parent, String nameText, int nameTextWidth, int chooseWidth,

            int chooseHeight, DefinedFromAddLinkageSingleSelectEvent linkageSelectEvent) {

        this(parent, nameText, chooseWidth, linkageSelectEvent);

        this.nameWidth = nameTextWidth;

        this.chooseHeight = chooseHeight;

    }

    @Override

    public void paint() {

        generateAddComposite(this.parent);

    }

    private void generateAddComposite(Composite contentComposite){

        /****显示添加一行(第一行24像素高，后面每一行 chooseHeight高)****/

        addComposite = new Composite(contentComposite,SWT.NONE);

        GridData gd_addComposite = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);

        addComposite.setLayoutData(gd_addComposite);

        GridLayout gl_addComposite = new GridLayout(2,false);

        gl_addComposite.horizontalSpacing = 5;

        gl_addComposite.verticalSpacing = 15;

        gl_addComposite.marginHeight = 0;

        gl_addComposite.marginWidth = 0;

        addComposite.setLayout(gl_addComposite);

        addComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        name = new CLabel(addComposite,SWT.NONE);

        GridData gd_addLabel = new GridData(SWT.RIGHT, SWT.FILL, false, false, 1, 1);

        gd_addLabel.widthHint = this.nameWidth;

        gd_addLabel.heightHint = 20;

        name.setLayoutData(gd_addLabel);

        name.setAlignment(SWT.RIGHT);

        name.setText(this.nameText);

        name.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        name.setForeground(SWTResourceManager.getColor(51,51,51));

        addImg = new Label(addComposite,SWT.NONE);

        GridData gd_addImg = new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1);

        gd_addImg.widthHint = 24;

        gd_addImg.heightHint = 24;

        addImg.setLayoutData(gd_addImg);

        addImg.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.ADD_ICON)));

        addImg.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        addImg.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND));

        addImg.addListener(SWT.MouseDown, new Listener(){

            @Override

            public void handleEvent(Event event) {

                generateAddRowComposite(addComposite,null);

                reLayout();

            }

        });

        if(CollectionUtil.isNotEmpty(firstDefaultSelectValueList)){

            for(DropDownBox.Data firstDefaultSelectValue:firstDefaultSelectValueList){

                generateAddRowComposite(addComposite,firstDefaultSelectValue);

            }

        }

        reLayout();

    }

    /**

     * 绘制每行联动下拉框

     * @param contentComposite

     * @param defaultValue

     */

    private void generateAddRowComposite(Composite contentComposite,DropDownBox.Data defaultValue){

        Composite addRowComposite = new Composite(contentComposite,SWT.NONE);

        GridData gd_addRowComposite = new GridData(SWT.FILL, SWT.FILL, false, false, 2, 1);

        gd_addRowComposite.heightHint = this.chooseHeight;

        addRowComposite.setLayoutData(gd_addRowComposite);

        GridLayout gl_addRowComposite = new GridLayout(5,false);

        gl_addRowComposite.horizontalSpacing = 5;

        gl_addRowComposite.verticalSpacing = 0;

        gl_addRowComposite.marginHeight = 0;

        gl_addRowComposite.marginWidth = 0;

        addRowComposite.setLayout(gl_addRowComposite);

        addRowComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        CLabel emptyLabel = new CLabel(addRowComposite,SWT.NONE);

        GridData gd_addLabel = new GridData(SWT.RIGHT, SWT.FILL, false, true, 1, 1);

        gd_addLabel.widthHint = this.nameWidth;

        emptyLabel.setLayoutData(gd_addLabel);

        emptyLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        //开始生成第一级下拉框对象

        DropDownBox<DropDownBox.Data> firstSelector = null;

        if(this.firstSearchEvent != null){

            //第一级下拉框带搜索功能

            DefinedSearchSingleSelect searchFirstSelector =  new DefinedSearchSingleSelect(addRowComposite,this.firstSearchEvent,this.chooseWidth /2,this.chooseHeight,showValue);

            if(null != defaultValue){

                searchFirstSelector.setDefaultValue(defaultValue);

            }

            if(StringUtil.isNotNullAndEmpty(this.firstDefaultMultiSearchMentionHint)){

                searchFirstSelector.setDefaultMentionHint(firstDefaultMultiSearchMentionHint);

            }

            searchFirstSelector.setAsynchronous(this.firstAsynchronous);

            searchFirstSelector.setLinkEvent(this.firstLinkEvent);

            if(null != this.firstDropdownBeforeEvent){

                searchFirstSelector.setDropdownBeforeEvent(this.firstDropdownBeforeEvent);

            }

            searchFirstSelector.addSelectListener(event->{

                CLabel itemLabel = (CLabel)event.widget;

                itemLabel.setData("firstSelect", searchFirstSelector);

            });

            firstSelector = searchFirstSelector;

        }else{

            //第一级下拉框不带搜索功能

            DefinedSingleSelect noSearchFirstSelector = new DefinedSingleSelect(addRowComposite,this.firstSelectedList,this.chooseWidth /2,this.chooseHeight,showValue);

            if(null != defaultValue){

                noSearchFirstSelector.setDefaultValue(defaultValue);

            }

            if(null != this.firstDropdownBeforeEvent){

                noSearchFirstSelector.setDropdownBeforeEvent(this.firstDropdownBeforeEvent);

            }

            noSearchFirstSelector.addSelectListener(event->{

                CLabel itemLabel = (CLabel)event.widget;

                itemLabel.setData("firstSelect", noSearchFirstSelector);

            });

            firstSelector = noSearchFirstSelector;

        }

        DropDownBox.Data secondDefaultValue = null;

        if(null != defaultValue){

            secondDefaultValue = linkageSelectEvent.getSecondDefaultValue(defaultValue);

        }

        DropDownBox<DropDownBox.Data> secondSelector = null;

        //定义第二个下拉框

        if(this.secondSearchEvent != null){

            //带搜索功能

            DefinedSearchSingleSelect searchSecondSelector =  new DefinedSearchSingleSelect(addRowComposite,this.secondSearchEvent,this.chooseWidth /2,this.chooseHeight,showValue);

            if(null != secondDefaultValue){

                searchSecondSelector.setDefaultValue(secondDefaultValue);

            }

            searchSecondSelector.getContentText().setData("secondSelect", secondSelector);

            searchSecondSelector.getContentText().setData("firstSelect", firstSelector);

            if(StringUtil.isNotNullAndEmpty(this.secondDefaultMultiSearchMentionHint)){

                searchSecondSelector.setDefaultMentionHint(secondDefaultMultiSearchMentionHint);

            }

            searchSecondSelector.setAsynchronous(this.secondAsynchronous);

            searchSecondSelector.setLinkEvent(this.secondLinkEvent);

            if(null != this.secondDropdownBeforeEvent){

                searchSecondSelector.setDropdownBeforeEvent(this.secondDropdownBeforeEvent);

            }

            firstSelector.addSelectListener(event->{

                CLabel itemLabel = (CLabel)event.widget;

                DropDownBox.Data data = (Data)itemLabel.getData("data");

                searchSecondSelector.replaceSearchExternalFilter(data.getValue(), 0);

                searchSecondSelector.setInitEmpty(false);

            });

            searchSecondSelector.addSelectListener(event->{

                CLabel itemLabel = (CLabel)event.widget;

                itemLabel.setData("firstSelect", searchSecondSelector.getContentComposite().getData("firstSelect"));

                itemLabel.setData("secondSelect", searchSecondSelector);

            });

            secondSelector = searchSecondSelector;

        }else{

            //不带搜索功能

            List<DropDownBox.Data> secondDataList = new ArrayList<>();

            if(null != defaultValue){

                secondDataList = linkageSelectEvent.getSecondData(defaultValue);

            }

            DefinedSingleSelect noSearchSecondSelector = new DefinedSingleSelect(addRowComposite,secondDataList,this.chooseWidth /2,this.chooseHeight,showValue);

            if(null != secondDefaultValue){

                noSearchSecondSelector.setDefaultValue(secondDefaultValue);

            }

            if(null != this.secondDropdownBeforeEvent){

                noSearchSecondSelector.setDropdownBeforeEvent(this.secondDropdownBeforeEvent);

            }

            secondSelector = noSearchSecondSelector;

            firstSelector.addSelectListener(event->{

                CLabel itemLabel = (CLabel)event.widget;

                DropDownBox.Data data = (Data)itemLabel.getData("data");

                List<DropDownBox.Data> secondList = this.linkageSelectEvent.getSecondData(data);

                noSearchSecondSelector.setComboDataList(secondList);

            });

            noSearchSecondSelector.addSelectListener(event->{

                CLabel itemLabel = (CLabel)event.widget;

                itemLabel.setData("firstSelect", noSearchSecondSelector.getContentComposite().getData("firstSelect"));

                itemLabel.setData("secondSelect", noSearchSecondSelector);

            });

        }

        if(this.comboRowWidth != 0){

            firstSelector.setComboRowWidth(this.comboRowWidth );

            secondSelector.setComboRowWidth(this.comboRowWidth );

        }

        if(this.comboRowHeight != 0){

            firstSelector.setComboRowHeight(this.comboRowHeight);

            secondSelector.setComboRowHeight(this.comboRowHeight);

        }

        if(null != firsetSelectListener){

            firstSelector.addSelectListener(firsetSelectListener);

        }

        if(null != secondSelectListener){

            secondSelector.addSelectListener(secondSelectListener);

        }

        firstSelector.paint();

        secondSelector.paint();

        firstSelector.getContentComposite().setData("firstSelect", firstSelector);

        secondSelector.getContentComposite().setData("firstSelect", firstSelector);

        secondSelector.getContentComposite().setData("secondSelect", secondSelector);

        Label deleteImg = new Label(addRowComposite,SWT.NONE);

        GridData gd_deleteImg = new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1);

        gd_deleteImg.widthHint = 24;

        gd_deleteImg.heightHint = 24;

        deleteImg.setLayoutData(gd_deleteImg);

        deleteImg.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.DELETE_ICON)));

        deleteImg.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        deleteImg.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND));

        deleteImg.setData("secondSelect", secondSelector);   //将第二下拉框绑定到删除图标上

        deleteImg.setData("firstSelect", firstSelector);   //将第一个下拉框绑定到删除图标上

        if(this.deleteBtnListener != null){

            deleteImg.addListener(SWT.MouseDown,this.deleteBtnListener);

        }

        deleteImg.addListener(SWT.MouseDown, new Listener(){

            @Override

            public void handleEvent(Event event) {

                addRowComposite.dispose();

                addRowCompositeList.remove(addRowComposite);

                reLayout();

            }

        });

        addRowComposite.setData("firstSelect", firstSelector);

        addRowComposite.setData("secondSelect", secondSelector);

        Label mentionLabel = new Label(addRowComposite,SWT.WRAP);

        GridData gd_mention = new GridData(SWT.LEFT, SWT.CENTER, false, true, 1, 1);

        Rectangle bounds = contentComposite.getBounds();

        if(bounds.width == 0){

            bounds = contentComposite.getParent().getParent().getBounds();

        }

        gd_mention.widthHint = bounds.width - this.nameWidth - this.chooseWidth -24-15;

        mentionLabel.setLayoutData(gd_mention);

        mentionLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        mentionLabel.setForeground(SWTResourceManager.getColor(51,51,51));

        addRowComposite.layout(true);

        addRowCompositeList.add(addRowComposite);

    }

    private void reLayout(){

        Composite contentComposite = addComposite;

        while(contentComposite != this.parent){

            contentComposite.layout(true);

            contentComposite = contentComposite.getParent();

        }

        contentComposite.layout(true);

        Composite parentComposite = contentComposite.getParent();

        while(!(parentComposite instanceof ScrolledComposite) && !(parentComposite instanceof Shell)){

            parentComposite.layout(true);

            contentComposite = parentComposite;

            parentComposite = parentComposite.getParent();

        }

        if(parentComposite instanceof ScrolledComposite){

            ((ScrolledComposite)parentComposite).setMinSize(contentComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT));

        }

    }

    /**

     * <p>联动事件</p>

     * @version V1.0

     */

    public interface DefinedFromAddLinkageSingleSelectEvent{

        /*****根据第一个下拉框选择的内容动态生成第二个框选择的内容（仅在第二个下拉框不带搜索功能时需要实现该方法）******/

        List<DropDownBox.Data> getSecondData(DropDownBox.Data firstValue);

        /*****根据第一个获取其默认已经配置的内容*****/

        DropDownBox.Data getSecondDefaultValue(DropDownBox.Data firstValue);

    }

    public int getChooseWidth() {

        return chooseWidth;

    }

    public void setChooseWidth(int chooseWidth) {

        this.chooseWidth = chooseWidth;

    }

    public int getChooseHeight() {

        return chooseHeight;

    }

    public void setChooseHeight(int chooseHeight) {

        this.chooseHeight = chooseHeight;

    }

    public int getNameWidth() {

        return nameWidth;

    }

    public void setNameWidth(int nameWidth) {

        this.nameWidth = nameWidth;

    }

    public int getComboRowWidth() {

        return comboRowWidth;

    }

    public void setComboRowWidth(int comboRowWidth) {

        this.comboRowWidth = comboRowWidth;

    }

    public int getComboRowHeight() {

        return comboRowHeight;

    }

    public void setComboRowHeight(int comboRowHeight) {

        this.comboRowHeight = comboRowHeight;

    }

    public boolean isShowValue() {

        return showValue;

    }

    public void setShowValue(boolean showValue) {

        this.showValue = showValue;

    }

    public List<DropDownBox.Data> getFirstSelectedList() {

        return firstSelectedList;

    }

    public void setFirstSelectedList(List<DropDownBox.Data> firstSelectedList) {

        this.firstSelectedList = firstSelectedList;

    }

    public boolean isFirstAsynchronous() {

        return firstAsynchronous;

    }

    public void setFirstAsynchronous(boolean firstAsynchronous) {

        this.firstAsynchronous = firstAsynchronous;

    }

    public String getFirstDefaultMultiSearchMentionHint() {

        return firstDefaultMultiSearchMentionHint;

    }

    public void setFirstDefaultMultiSearchMentionHint(String firstDefaultMultiSearchMentionHint) {

        this.firstDefaultMultiSearchMentionHint = firstDefaultMultiSearchMentionHint;

    }

    public List<DropDownBox.Data> getFirstDefaultSelectValueList() {

        return firstDefaultSelectValueList;

    }

    public void setFirstDefaultSelectValueList(List<DropDownBox.Data> firstDefaultSelectValueList) {

        this.firstDefaultSelectValueList = firstDefaultSelectValueList;

    }

    public boolean isSecondAsynchronous() {

        return secondAsynchronous;

    }

    public void setSecondAsynchronous(boolean secondAsynchronous) {

        this.secondAsynchronous = secondAsynchronous;

    }

    public String getSecondDefaultMultiSearchMentionHint() {

        return secondDefaultMultiSearchMentionHint;

    }

    public void setSecondDefaultMultiSearchMentionHint(String secondDefaultMultiSearchMentionHint) {

        this.secondDefaultMultiSearchMentionHint = secondDefaultMultiSearchMentionHint;

    }

    public Listener getSecondSelectListener() {

        return secondSelectListener;

    }

    public void setSecondSelectListener(Listener secondSelectListener) {

        this.secondSelectListener = secondSelectListener;

    }

    public void setNameText(String nameText) {

        this.nameText = nameText;

    }

    public void setDeleteBtnListener(Listener deleteBtnListener) {

        this.deleteBtnListener = deleteBtnListener;

    }

    public void setLinkageSelectEvent(DefinedFromAddLinkageSingleSelectEvent linkageSelectEvent) {

        this.linkageSelectEvent = linkageSelectEvent;

    }

    public void setFirstLinkEvent(StyleTextLink.StyleTextLinkEvent firstLinkEvent) {

        this.firstLinkEvent = firstLinkEvent;

    }

    public void setFirstSearchEvent(DefinedSearchSingleSelect.SearchSingleSelectEvent firstSearchEvent) {

        this.firstSearchEvent = firstSearchEvent;

    }

    public void setFirsetSelectListener(Listener firsetSelectListener) {

        this.firsetSelectListener = firsetSelectListener;

    }

    public void setFirstDropdownBeforeEvent(DefinedCommonSingleSelectEvent firstDropdownBeforeEvent) {

        this.firstDropdownBeforeEvent = firstDropdownBeforeEvent;

    }

    public void setSecondLinkEvent(StyleTextLink.StyleTextLinkEvent secondLinkEvent) {

        this.secondLinkEvent = secondLinkEvent;

    }

    public void setSecondSearchEvent(DefinedSearchSingleSelect.SearchSingleSelectEvent secondSearchEvent) {

        this.secondSearchEvent = secondSearchEvent;

    }

    public void setSecondDropdownBeforeEvent(DefinedCommonSingleSelectEvent secondDropdownBeforeEvent) {

        this.secondDropdownBeforeEvent = secondDropdownBeforeEvent;

    }

    public List<Composite> getAddRowCompositeList() {

        return addRowCompositeList;

    }

}

4.4

package com.view.control.select;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Listener;

import com.view.control.DefinedControl;

/**

 * <p>二级联动下拉框</p>

 * @version V1.0

 */

public class DefinedSelectedLingageSelector extends DefinedControl{

    /****内容容器*****/

    private Composite contentComposite;

    private DefinedSingleSelect selectFirst;

    private DefinedSingleSelect selectSecond;

    /****第一级下拉框选项所有内容******/

    private List<DropDownBox.Data> comboDataList;

    private int firstComboWidth;

    private int comboRowWidth;

    private int contentWidth = 323;

    private int contentHeight = 32;

    private Listener firstSelectListener;

    private Listener secondSelectListener;

    private DropDownBox.Data defaultValue;

    private SecondSelectorGenerator secondSelectorGenerator;

    private DropDownBox.Data secondDefaultValue;

    public DefinedSelectedLingageSelector(Composite parent,List<DropDownBox.Data> comboDataList,int comboRowWidth,int firstComboWidth,SecondSelectorGenerator secondSelectorGenerator) {

        super(parent);

        this.comboDataList = comboDataList;

        this.comboRowWidth = comboRowWidth;

        this.firstComboWidth = firstComboWidth;

        this.secondSelectorGenerator = secondSelectorGenerator;

    }

    @Override

    public void paint() {

        contentComposite = new Composite(this.parent,SWT.NONE);

        contentComposite.setBounds(0, 0, contentWidth, contentHeight);

        GridLayout gl_contentComposite = new GridLayout(2,false);

        gl_contentComposite.horizontalSpacing = 5;

        gl_contentComposite.verticalSpacing = 0;

        gl_contentComposite.marginHeight = 0;

        contentComposite.setLayout(gl_contentComposite);

        selectFirst = new DefinedSingleSelect(contentComposite, comboDataList, comboRowWidth, this.contentHeight);

        List<DropDownBox.Data> secondDataList = new ArrayList<DropDownBox.Data>();

        if(null != defaultValue){

            selectFirst.setDefaultValue(defaultValue);

            secondDataList = secondSelectorGenerator.getSecondSelectorData(defaultValue.getValue());

        }

        selectFirst.addSelectListener(new Listener(){

            @Override

            public void handleEvent(Event event) {

                changeSecondSelect(selectFirst.getValue());

            }

        });

        if(this.firstSelectListener != null){

            selectFirst.addSelectListener(this.firstSelectListener);

        }

        selectFirst.paint();

        Composite secondSelectComposite = new Composite(contentComposite,SWT.NONE);

        GridData gd_secondSelectComposite = new GridData(SWT.LEFT, SWT.FILL, false, true, 1, 1);

        gd_secondSelectComposite.widthHint = this.contentWidth - this.firstComboWidth - 5;

        secondSelectComposite.setLayoutData(gd_secondSelectComposite);

        selectSecond = new DefinedSingleSelect(secondSelectComposite, secondDataList, this.contentWidth - this.firstComboWidth - 5, this.contentHeight);

        if(null != secondDefaultValue){

            selectSecond.setDefaultValue(secondDefaultValue);

        }

        if(this.secondSelectListener != null){

            selectFirst.addSelectListener(this.secondSelectListener);

        }

        selectSecond.paint();

    }

    private void changeSecondSelect(String defaultValue){

        List<DropDownBox.Data> secondDataList = secondSelectorGenerator.getSecondSelectorData(defaultValue);

        selectSecond.setComboDataList(secondDataList);

    }

    public static interface SecondSelectorGenerator{

        List<DropDownBox.Data> getSecondSelectorData(String firstValue);

    }

    public int getFirstComboWidth() {

        return firstComboWidth;

    }

    public void setFirstComboWidth(int firstComboWidth) {

        this.firstComboWidth = firstComboWidth;

    }

    public int getComboRowWidth() {

        return comboRowWidth;

    }

    public void setComboRowWidth(int comboRowWidth) {

        this.comboRowWidth = comboRowWidth;

    }

    public int getContentWidth() {

        return contentWidth;

    }

    public void setContentWidth(int contentWidth) {

        this.contentWidth = contentWidth;

    }

    public int getContentHeight() {

        return contentHeight;

    }

    public void setContentHeight(int contentHeight) {

        this.contentHeight = contentHeight;

    }

    public Composite getContentComposite() {

        return contentComposite;

    }

    public DefinedSingleSelect getSelectFirst() {

        return selectFirst;

    }

    public DefinedSingleSelect getSelectSecond() {

        return selectSecond;

    }

    public void setFirstSelectListener(Listener firstSelectListener) {

        this.firstSelectListener = firstSelectListener;

    }

    public void setSecondSelectListener(Listener secondSelectListener) {

        this.secondSelectListener = secondSelectListener;

    }

    public void setDefaultValue(DropDownBox.Data defaultValue) {

        this.defaultValue = defaultValue;

    }

    public void setSecondSelectorGenerator(SecondSelectorGenerator secondSelectorGenerator) {

        this.secondSelectorGenerator = secondSelectorGenerator;

    }

    public void setSecondDefaultValue(DropDownBox.Data secondDefaultValue) {

        this.secondDefaultValue = secondDefaultValue;

    }

}

4.5

package com.view.control.select;

import java.util.List;

import org.eclipse.swt.SWT;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Event;

import org.eclipse.swt.widgets.Listener;

import com.view.control.DefinedControl;

import com.view.control.DefinedText;

import com.view.swt.SWTResourceManager;

import com.view.swt.SWTUtil;

/**

 * <p>选择联动编辑框（parent可以不是GridLayout布局）</p>

 * @version V1.0

 */

public class DefinedSelectedLinkageEditor extends DefinedControl{

    /****内容容器*****/

    private Composite contentComposite;

    private DefinedSingleSelect selectFirst;

    /****编辑框*****/

    private DefinedText editor;

    private int contentWidth = 323;

    /****选择下拉框内容显示的Label的宽度，那么编辑框的宽度为 contentWidth - comboWidth*****/

    private int comboWidth = 100;

    /**********/

    private int contentHeight = 32;

    /*****编辑框中默认显示的内容*****/

    private String defaultTextMention;

    /*****下拉选择默认选择的值****/

    private DropDownBox.Data defaultComoValue;

    /*****编辑框中默认值*******/

    private String defaultTextValue;

    private List<DropDownBox.Data> comboDataList;

    private int comboRowWidth;

    /***选中第一个下拉框第一个值发生的事件*****/

    private Listener firstSelectItemListener;

    public DefinedSelectedLinkageEditor(Composite parent, List<DropDownBox.Data> comboDataList, int comboRowWidth) {

        super(parent);

        this.comboDataList = comboDataList;

        this.comboRowWidth = comboRowWidth;

    }

    public DefinedSelectedLinkageEditor(Composite parent,List<DropDownBox.Data> comboDataList,int contentWidth,int comboWidth,int contentHeight) {

        this(parent,comboDataList,comboWidth);

        this.comboWidth = comboWidth;

        this.contentWidth = contentWidth;

        this.contentHeight = contentHeight;

    }

    @Override

    public void paint(){

        contentComposite = new Composite(this.parent,SWT.NONE);

        contentComposite.setBounds(0, 0, this.contentWidth, this.contentHeight);

        SWTUtil.paintBorder(contentComposite, SWTResourceManager.getControlBorderColor());

        contentComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));

        GridLayout gl_contentComposite = new GridLayout(2,false);

        gl_contentComposite.horizontalSpacing = 0;

        gl_contentComposite.verticalSpacing = 0;

        gl_contentComposite.marginHeight = 0;

        gl_contentComposite.marginWidth = 0;

        contentComposite.setLayout(gl_contentComposite);

        selectFirst = new DefinedSingleSelect(contentComposite,this.comboDataList,this.comboWidth,this.contentHeight);

        if(null != this.defaultComoValue){

            selectFirst.setDefaultValue(this.defaultComoValue);

        }

        selectFirst.setComboRowWidth(comboRowWidth);

        selectFirst.addSelectListener(new Listener(){

            @Override

            public void handleEvent(Event event) {

                editor.getContentText().setText("");

            }

        });

        if(null != firstSelectItemListener){

            selectFirst.addSelectListener(firstSelectItemListener);

        }

        selectFirst.paint();

        Composite composite = new Composite(contentComposite,SWT.NONE);

        GridData gd_composite = new GridData(SWT.RIGHT, SWT.FILL, false, true, 1, 1);

        gd_composite.widthHint = this.contentWidth - this.comboWidth;

        composite.setLayoutData(gd_composite);

        editor = new DefinedText(composite,SWT.NONE);

        editor.setTextHeight(this.contentHeight);

        editor.setTextWidth(this.contentWidth - this.comboWidth);

        editor.setDefalutValue(this.defaultTextValue);

        editor.setDefaultTextMention(defaultTextMention);

        editor.paint();

        contentComposite.layout(true);

    }

    public int getComboWidth() {

        return comboWidth;

    }

    public void setComboWidth(int comboWidth) {

        this.comboWidth = comboWidth;

    }

    public int getComboRowWidth() {

        return comboRowWidth;

    }

    public void setComboRowWidth(int comboRowWidth) {

        this.comboRowWidth = comboRowWidth;

    }

    public DefinedSingleSelect getSelectFirst() {

        return selectFirst;

    }

    public DefinedText getEditor() {

        return editor;

    }

    public void setContentWidth(int contentWidth) {

        this.contentWidth = contentWidth;

    }

    public void setContentHeight(int contentHeight) {

        this.contentHeight = contentHeight;

    }

    public void setDefaultTextMention(String defaultTextMention) {

        this.defaultTextMention = defaultTextMention;

    }

    public void setDefaultComoValue(DropDownBox.Data defaultComoValue) {

        this.defaultComoValue = defaultComoValue;

    }

    public void setDefaultComoValue(String defaultComoValue) {

        this.defaultComoValue = new DropDownBox.Data(defaultComoValue,defaultComoValue);

    }

    public void setDefaultTextValue(String defaultTextValue) {

        this.defaultTextValue = defaultTextValue;

    }

    public void setComboDataList(List<DropDownBox.Data> comboDataList) {

        this.comboDataList = comboDataList;

    }

    public void dispose(){

        this.contentComposite.dispose();

    }

    public void setFirstSelectItemListener(Listener firstSelectItemListener) {

        this.firstSelectItemListener = firstSelectItemListener;

    }

}

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