5、自定义穿梭框
package com.view.control.shuttlebox; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.custom.ScrolledComposite; import org.eclipse.swt.custom.StyledText; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.global.constant.Constants; import com.util.CollectionUtil; import com.util.FileUtil; import com.util.StringUtil; import com.view.control.DefinedSearchText.SearchTextEvent; import com.view.control.DefinedSearchText; import com.view.control.select.SearchDropDown; import com.view.swt.CustomMessageBox; import com.view.swt.SWTResourceManager; import com.view.swt.SWTUtil; import com.view.swt.StyleTextLink; import com.view.swt.CustomMessageBox.Model; import com.view.util.ImageUtil; public abstract class DefinedCommonSearchShuttleBox<T> extends SearchDropDown<T> { private static final Logger log = LoggerFactory.getLogger(DefinedCommonSearchShuttleBox.class); /***数字区域*****/ protected CLabel num_label ; protected CLabel right_num_label; protected Composite rightScrolledContentComposite; protected StyleTextLink.StyleTextLinkEvent linkEvent; protected String noContentMention = "您可以更新获取选型数据后再进行查询"; protected String linkText = "更新"; protected SearchShuttleBoxEvent<T> searchShuttleBoxEvent; /***在左侧区域已选择的条目***/ protected List<T> selectedList = new ArrayList<>(); protected Map<T,Composite> selectMap = new HashMap<T,Composite>(); /*****右侧区域选中的内容*******/ protected Map<T,Composite> rightSelectMap = new HashMap<T,Composite>(); /*****右侧区域所有数据****/ protected List<T> rightDataList = new ArrayList<>(); @Deprecated public DefinedCommonSearchShuttleBox(Composite parent, List<T> comboDataList, int comboRowWidth, SearchTextEvent<T> searchTextEvent) { super(parent, comboDataList, comboRowWidth, searchTextEvent); } public DefinedCommonSearchShuttleBox(Composite parent,DefinedSearchText.SearchTextEvent<T> searchTextEvent,int comboRowWidth){ super(parent, searchTextEvent, comboRowWidth); } @Override public void paint() { Composite content_composite = new Composite(this.parent,SWT.NONE); GridData gd_content_composite = new GridData(SWT.FILL,SWT.FILL,true,true,1,1); content_composite.setLayoutData(gd_content_composite); GridLayout gl_content_composite = new GridLayout(3,false); gl_content_composite.marginWidth = 0; gl_content_composite.marginHeight = 0; gl_content_composite.horizontalSpacing = 5; gl_content_composite.verticalSpacing = 0; content_composite.setLayout(gl_content_composite); content_composite.setBackground(SWTResourceManager.getWhiteColor()); //绘制左侧区域 generateLeftComposite(content_composite); //绘制中间区域 generateMiddleComposite(content_composite); //绘制右侧区域 generateRightComposite(content_composite); if(!this.initEmpty){ super.notifySearch(); } } /** * 绘制左侧区域内容 * @author wangfang5 2018年5月23日 上午11:04:28 * @param content_composite */ private void generateLeftComposite(Composite content_composite) { Composite left_content_composite = new Composite(content_composite, SWT.NONE); GridData gd_left_content_composite = new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1); left_content_composite.setLayoutData(gd_left_content_composite); GridLayout gl_left_content_composite = new GridLayout(1, true); gl_left_content_composite.marginHeight = 5; gl_left_content_composite.marginWidth = 5; gl_left_content_composite.verticalSpacing = 5; gl_left_content_composite.horizontalSpacing = 0; left_content_composite.setLayout(gl_left_content_composite); SWTUtil.paintBorder(left_content_composite, SWTResourceManager.getBorderColor()); left_content_composite.setBackground(SWTResourceManager.getWhiteColor()); // 绘制可选数字 Composite title_composite = new Composite(left_content_composite, SWT.NONE); title_composite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_title_composite = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1); title_composite.setLayoutData(gd_title_composite); GridLayout gl_title_composite = new GridLayout(2, false); gl_title_composite.verticalSpacing = 0; gl_title_composite.horizontalSpacing = 5; gl_title_composite.marginHeight = 0; gl_title_composite.marginWidth = 0; title_composite.setLayout(gl_title_composite); CLabel title_label = new CLabel(title_composite, SWT.NONE); title_label.setText("可选"); title_label.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_title_label = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1); title_label.setLayoutData(gd_title_label); num_label = new CLabel(title_composite, SWT.NONE); num_label.setText("(当前选中0/0)"); num_label.setBackground(SWTResourceManager.getWhiteColor()); num_label.setForeground(SWTResourceManager.getTextColor()); GridData gd_num_label = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1); num_label.setLayoutData(gd_num_label); searchTextEvent = new DefinedSearchText.SearchTextEvent<T>(){ @Override public DefinedSearchText.SearchPageResult<T> search(Event event, String searchKeys, int pageNum, int pagePerNum, List<Object> filters) { if(null != searchShuttleBoxEvent){ return searchShuttleBoxEvent.search(event, searchKeys, pageNum, pagePerNum, filters); }else{ log.error(toLog("", "no searchTextEvent")); return null; } } @Override public boolean beforeEvent(Event event,String searchKey) { if(null != searchShuttleBoxEvent){ String verifyMsg = searchShuttleBoxEvent.verifySearchContent(searchKey); if(StringUtil.isNotNullAndEmpty(verifyMsg)){ //校验不通过 showErrorMention(verifyMsg); return false; }else{ //校验通过 showNormalMention(); } } externalBeforeEvent(event); beforeSearchClick(event); return true; } @Override public void afterEvent(Event event, List<T> dataList) { afterSearchClick(event,dataList); } }; generateSearchCompoiste(left_content_composite); } /** * 搜索之前需要做的事情，将右侧中的数据作为筛选条件传递到搜索条件中 * @param event */ protected void externalBeforeEvent(Event event){ if(event.button == 1){ //event.button == 1 表示点击搜索按钮 selectedList.clear(); selectMap.clear(); replaceSearchExternalFilter(new ArrayList<>(rightDataList),0); } } /** * 绘制中间的区域 * @param content_composite */ private void generateMiddleComposite(Composite content_composite){ Composite middle_composite = new Composite(content_composite,SWT.NONE); middle_composite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_middle_composite = new GridData(SWT.FILL,SWT.CENTER,false,true,1,1); gd_middle_composite.widthHint = 50; middle_composite.setLayoutData(gd_middle_composite); GridLayout gl_middle_composite = new GridLayout(1,true); gl_middle_composite.verticalSpacing = 10; gl_middle_composite.marginHeight = 0; gl_middle_composite.marginWidth = 0; gl_middle_composite.horizontalSpacing = 0; middle_composite.setLayout(gl_middle_composite); //放置向右移动图标 Label right_label = new Label(middle_composite,SWT.NONE); GridData gd_right_label = new GridData(SWT.CENTER,SWT.CENTER,false,false,1,1); gd_right_label.widthHint = 48; gd_right_label.heightHint = 32; right_label.setLayoutData(gd_right_label); right_label.setBackground(SWTResourceManager.getWhiteColor()); right_label.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.SHUTTLE_RIGHT_IMG))); right_label.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); right_label.addListener(SWT.MouseDown, new Listener(){ @Override public void handleEvent(Event event) { rightMoveEvent(event); } }); //放置向左图标 Label left_label = new Label(middle_composite,SWT.NONE); GridData gd_left_label= new GridData(SWT.CENTER,SWT.CENTER,true,false,1,1); gd_left_label.widthHint = 48; gd_left_label.heightHint = 32; left_label.setLayoutData(gd_left_label); left_label.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); left_label.setBackground(SWTResourceManager.getWhiteColor()); left_label.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.SHUTTLE_LEFT_IMG))); left_label.addListener(SWT.MouseDown, new Listener(){ @Override public void handleEvent(Event event) { leftMoveEvent(event); } }); } /** * 向右移动触发的事件（绘制界面） * @param event */ protected void rightMoveEvent(Event event){ if(CollectionUtil.isEmpty(selectedList)){ new CustomMessageBox(this.parent.getShell(), "请在左侧区域选择移动项!", Model.CONFIRM_MODEL).open(); return; } boolean allowable = false; if(null == searchShuttleBoxEvent){ allowable = true; }else if(searchShuttleBoxEvent.addEvent(selectedList,this)){ allowable = true; }else{ new CustomMessageBox(this.parent.getShell(), "向右测移动失败!", Model.CONFIRM_MODEL).open(); return; } if(allowable){ for(Entry<T, Composite> entry:selectMap.entrySet()){ entry.getValue().dispose(); //右侧绘制一个内容 generateRightItem(entry.getKey()); rightDataList.add(entry.getKey()); this.totalCount--; } selectedList.clear(); selectMap.clear(); updateRightNum(); updateLeftNum(); notifyScrollSearch(); relayoutScrollComposite(); relayoutRightScrollComposite(); } } /** * 绘制右侧的区域 * @param content_composite */ private void generateRightComposite(Composite content_composite){ Composite right_content_composite = new Composite(content_composite, SWT.NONE); GridData gd_right_content_composite = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); right_content_composite.setLayoutData(gd_right_content_composite); GridLayout gl_right_content_composite = new GridLayout(1, true); gl_right_content_composite.marginHeight = 5; gl_right_content_composite.marginWidth = 5; gl_right_content_composite.verticalSpacing = 5; gl_right_content_composite.horizontalSpacing = 0; right_content_composite.setLayout(gl_right_content_composite); SWTUtil.paintBorder(right_content_composite, SWTResourceManager.getBorderColor()); right_content_composite.setBackground(SWTResourceManager.getWhiteColor()); // 绘制可选数字 Composite title_composite = new Composite(right_content_composite, SWT.NONE); title_composite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_title_composite = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1); title_composite.setLayoutData(gd_title_composite); GridLayout gl_title_composite = new GridLayout(2, false); gl_title_composite.verticalSpacing = 0; gl_title_composite.horizontalSpacing = 5; gl_title_composite.marginHeight = 0; gl_title_composite.marginWidth = 0; title_composite.setLayout(gl_title_composite); CLabel title_label = new CLabel(title_composite, SWT.NONE); title_label.setText("已选"); title_label.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_title_label = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1); title_label.setLayoutData(gd_title_label); right_num_label = new CLabel(title_composite, SWT.NONE); right_num_label.setText("(0)"); right_num_label.setBackground(SWTResourceManager.getWhiteColor()); right_num_label.setForeground(SWTResourceManager.getTextColor()); GridData gd_right_num_label = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1); right_num_label.setLayoutData(gd_right_num_label); generateRightListComposite(right_content_composite); } /** * 绘制右侧区域内容 * @param right_composite */ private void generateRightListComposite(Composite right_composite){ ScrolledComposite rightScrolledComposite = new ScrolledComposite(right_composite, SWT.V_SCROLL); rightScrolledComposite.setExpandHorizontal(true); rightScrolledComposite.setExpandVertical(true); rightScrolledComposite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_rightScrolledComposite = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); rightScrolledComposite.setLayoutData(gd_rightScrolledComposite); rightScrolledContentComposite = new Composite(rightScrolledComposite,SWT.NONE); rightScrolledComposite.setContent(rightScrolledContentComposite); rightScrolledContentComposite.setBackground(SWTResourceManager.getWhiteColor()); GridLayout gl_rightScrolledContentComposite = new GridLayout(1, true); gl_rightScrolledContentComposite.marginWidth = 10; gl_rightScrolledContentComposite.marginHeight = 0; gl_rightScrolledContentComposite.verticalSpacing = 0; gl_rightScrolledContentComposite.horizontalSpacing = 0; rightScrolledContentComposite.setLayout(gl_rightScrolledContentComposite); } @Override protected void generateNoContentMentionComposite(Composite searchContentComposite, String searchContent,int width) { StyledText styledText = new StyledText(searchContentComposite,SWT.WRAP|SWT.MULTI); styledText.setText(StringUtil.isNotNullAndEmpty(searchContent)?"未找到与"+searchContent+"相关的内容,"+noContentMention:"暂无数据，"+noContentMention); GridData gd_styledText = new GridData(SWT.CENTER,SWT.CENTER,false,true,1,1); gd_styledText.widthHint = width; styledText.setLayoutData(gd_styledText); styledText.setEditable(false); StyleTextLink link = new StyleTextLink(linkEvent,styledText); link.ReplaceLink(linkText); searchContentComposite.layout(true); } @Override protected void generateComboContent(boolean append,List<T> dataList){ Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite"); if(null == this.comboDataList){ this.comboDataList = new ArrayList<>(); } if(!append){ for(Control control:searchContentComposite.getChildren()){ control.dispose(); } this.comboDataList.clear(); searchScrollContentComposite.setMinSize(0, 0); } if (CollectionUtil.isNotEmpty(dataList)) { for (T data : dataList) { generateComboItem(data); } this.comboDataList.addAll(dataList); if(append){ CLabel loadLabel = (CLabel)searchScrollContentComposite.getData("load"); GridData gd_loadLabel = (GridData)loadLabel.getLayoutData(); gd_loadLabel.exclude = true; loadLabel.setVisible(false); } updateLeftNum(); }else if(!append){ //形成待更新内容 generateNoContentMentionComposite(searchContentComposite,this.getFilterContent(),this.comboRowWidth-30); updateLeftNum(); }else{ //异步加载数据的情况 if(CollectionUtil.isEmpty(this.comboDataList)){ updateLeftNum(); generateNoContentMentionComposite(searchContentComposite,this.getFilterContent(),this.comboRowWidth-30); CLabel loadLabel = (CLabel)searchScrollContentComposite.getData("load"); GridData gd_loadLabel = (GridData)loadLabel.getLayoutData(); gd_loadLabel.exclude = true; loadLabel.setVisible(false); finish = true; }else if(CollectionUtil.isEmpty(dataList)){ CLabel loadLabel = (CLabel)searchScrollContentComposite.getData("load"); GridData gd_loadLabel = (GridData)loadLabel.getLayoutData(); gd_loadLabel.exclude = false; loadLabel.setText("无更多数据"); loadLabel.setVisible(true); finish = true; } } relayoutScrollComposite(); } abstract void generateRightItem(T data); /** * 向左移动触发的事件（绘制界面） * @param event */ protected void leftMoveEvent(Event event){ if(CollectionUtil.isEmpty(rightSelectMap)){ new CustomMessageBox(this.parent.getShell(), "请在右侧区域选择移动项!", Model.CONFIRM_MODEL).open(); return; } boolean allowable = false; if(null == searchShuttleBoxEvent){ allowable = true; }else if(searchShuttleBoxEvent.deleteEvent(new ArrayList<>(rightSelectMap.keySet()),this)){ allowable = true; }else{ new CustomMessageBox(this.parent.getShell(), "向左侧移动失败!", Model.CONFIRM_MODEL).open(); return; } if(allowable){ if(totalCount == 0){ //原先总量为0 disposeLeftContentComposite(); } for(Entry<T, Composite> entry:rightSelectMap.entrySet()){ entry.getValue().dispose(); rightDataList.remove(entry.getKey()); //左侧绘制一个内容 generateComboItem(entry.getKey()); this.totalCount++; } rightSelectMap.clear(); updateRightNum(); updateLeftNum(); relayoutScrollComposite(); relayoutRightScrollComposite(); } } /** * 将checkbox变成选中状态 * @param img */ protected void changeSelectCheckBox(Label img) { if(img != null){ img.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.CHECKBOX_SELF_ICON))); img.setData("checked", true); } } /** * 将checkbox变成未选中状态 * @param img */ protected void changeUnSelectCheckBox(Label img) { if(null != img){ img.setImage(ImageUtil.getImage(FileUtil.loadResourceFileAsStream(Constants.CHECKBOX_NOR_ICON))); img.setData("checked", false); } } /** * 设置为选中状态 * @param itemLabel */ protected void changeItemSelection(CLabel itemLabel) { itemLabel.getParent().setBackground(SWTResourceManager.getColor(226, 235, 255)); Control[] children = itemLabel.getParent().getChildren(); for (Control child : children) { child.setBackground(SWTResourceManager.getColor(226, 235, 255)); } } /** * 设置项为非选中状态 * @param itemLabel */ protected void changeItemUnSelection(CLabel itemLabel) { itemLabel.getParent().setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); Control[] children = itemLabel.getParent().getChildren(); for (Control child : children) { child.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); } } /** * 重新绘制左侧滚动区域*/ protected void relayoutScrollComposite(){ Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite"); searchContentComposite.layout(true); Composite scrollContentComposite = searchContentComposite.getParent(); scrollContentComposite.layout(true); searchScrollContentComposite.setMinSize(scrollContentComposite.computeSize(SWT.DEFAULT,SWT.DEFAULT)); } /** * 重新绘制右侧区域*/ protected void relayoutRightScrollComposite(){ this.rightScrolledContentComposite.layout(true); ((ScrolledComposite)rightScrolledContentComposite.getParent()).setMinSize(rightScrolledContentComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT)); } /** * 销毁左侧*/ protected void disposeLeftContentComposite(){ Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite"); for(Control child:searchContentComposite.getChildren()){ child.dispose(); } } /** * 更换左侧内容区域的数字*/ protected void updateLeftNum(){ num_label.setText("(当前选中"+this.selectedList.size()+"/"+this.totalCount+")"); num_label.getParent().layout(true); } /** * 更新右侧区域的内容*/ protected void updateRightNum(){ right_num_label.setText("("+this.rightDataList.size()+")"); right_num_label.getParent().layout(true); } /** * <p>穿梭框事件</p> * @version V1.0 */ public interface SearchShuttleBoxEvent<T>{ /** * 添加左侧区域发生的后台逻辑，只有为true，才会将数据移向右侧区域 * @param addData */ boolean addEvent(List<T> addData,DefinedCommonSearchShuttleBox<T> box); /** * 将右侧区域数据移向左侧发生的后台事件，只有为true,才会将数据移向左侧区域 * @param deleteData * @return */ boolean deleteEvent(List<T> deleteData,DefinedCommonSearchShuttleBox<T> box); /** * * @param event * @param searchKeys * @param pageNum * @param pagePerNum * @param filters 默认右侧的数据从本次搜索范围剔除，右侧数据在filters的第一个object里面，类型为 List<T> * @return */ DefinedSearchText.SearchPageResult<T> search(Event event, String searchKeys, int pageNum, int pagePerNum, List<Object> filters); /** * 校验输入的搜索条件是否正确 * @param searchKey * @return */ String verifySearchContent(String searchKey); } @Deprecated public void reLayoutComboComposite(){ } public int getTotalCount() { return totalCount; } public void setTotalCount(int totalCount) { this.totalCount = totalCount; } public List<T> getSelectedList() { return selectedList; } public void setSelectedList(List<T> selectedList) { this.selectedList = selectedList; } public String getNoContentMention() { return noContentMention; } public void setNoContentMention(String noContentMention) { this.noContentMention = noContentMention; } public void setLinkEvent(StyleTextLink.StyleTextLinkEvent linkEvent) { this.linkEvent = linkEvent; } public void setSearchShuttleBoxEvent(SearchShuttleBoxEvent<T> searchShuttleBoxEvent) { this.searchShuttleBoxEvent = searchShuttleBoxEvent; } /** * 获取右侧所有数据内容 * @return */ public List<T> getRightDataList() { return rightDataList; } }
DefinedCommonSearchShuttleBox.java 穿梭框的公共类，该章节中介绍的自定义穿梭框待搜索功能、且穿梭框分为两类：
- 分类穿梭框：左侧按照分类进行呈现；
- 无分类穿梭框：左侧无分类呈现；
5.1 分类穿梭框
package com.view.control.shuttlebox; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.util.CollectionUtil; import com.view.control.select.DropDownBox; import com.view.swt.CustomMessageBox; import com.view.swt.SWTResourceManager; import com.view.swt.CustomMessageBox.Model; /** * <p>分类穿梭框控件</p> * @version V1.0 */ public class DefinedClassifySearchShuttleBox extends DefinedCommonSearchShuttleBox<DefinedClassifySearchShuttleBox.ClassifySearchShuttleData> { private static final Logger log = LoggerFactory.getLogger(DefinedClassifySearchShuttleBox.class); /***左侧分类中仅能选择一个，不能多选******/ private boolean classifyUnique; public DefinedClassifySearchShuttleBox(Composite parent, int comboRowWidth, SearchShuttleBoxEvent<ClassifySearchShuttleData> event) { super(parent, null, comboRowWidth); this.searchShuttleBoxEvent = event; } /** * 获取到数据之后的后续处理*/ protected void afterSearchClick(Event searchTextEvent,List<DefinedClassifySearchShuttleBox.ClassifySearchShuttleData> searchData){ boolean append = false; if(asynchronous){ append = true; } if(searchTextEvent.button == 1){ Composite searchContentComposite = (Composite)searchScrollContentComposite.getData("searchComposite"); for(Control control:searchContentComposite.getChildren()){ control.dispose(); } this.comboDataList.clear(); searchScrollContentComposite.setMinSize(0, 0); totalCount = 0; } if(CollectionUtil.isNotEmpty(searchData)){ for(DefinedClassifySearchShuttleBox.ClassifySearchShuttleData data:searchData){ if(data != null && CollectionUtil.isNotEmpty(data.getDataList())){ totalCount += data.getDataList().size(); } } } generateComboContent(append,searchData); this.init = false; } /** * 绘制右侧区域的每项 */ @SuppressWarnings("unchecked") @Override void generateRightItem(ClassifySearchShuttleData data) { Map<ClassifySearchShuttleData,Composite> classifySearchShuttleDataMap = (Map<ClassifySearchShuttleData, Composite>)rightScrolledContentComposite.getData("data"); if(null == classifySearchShuttleDataMap){ classifySearchShuttleDataMap = new HashMap<>(); rightScrolledContentComposite.setData("data", classifySearchShuttleDataMap); } Composite itemClassifyComposite = classifySearchShuttleDataMap.get(data); if(null == itemClassifyComposite){ itemClassifyComposite = new Composite(rightScrolledContentComposite,SWT.NONE); classifySearchShuttleDataMap.put(data, itemClassifyComposite); itemClassifyComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); GridData gd_classItemComposite = new GridData(SWT.FILL,SWT.FILL,false,false,1,1); gd_classItemComposite.widthHint = this.comboRowWidth; itemClassifyComposite.setLayoutData(gd_classItemComposite); GridLayout gl_itemComposite = new GridLayout(1,true); gl_itemComposite.verticalSpacing = 0; gl_itemComposite.horizontalSpacing = 0; gl_itemComposite.marginHeight = 0; gl_itemComposite.marginWidth = 0; itemClassifyComposite.setLayout(gl_itemComposite); itemClassifyComposite.setData("data", data); //绘制标题内容 generateTitleComposite(data.getClassifyName(),itemClassifyComposite); }else{ ClassifySearchShuttleData oriClassifyData = (ClassifySearchShuttleData)itemClassifyComposite.getData("data"); //需要找出右侧已经存在同类，进行项更换（一个类仅能有一个项存在右侧） if(this.classifyUnique){ Map<DropDownBox.Data,Composite> itemCompositeList = (Map<DropDownBox.Data,Composite>)itemClassifyComposite.getData("dataComposite"); if(CollectionUtil.isNotEmpty(itemCompositeList)){ ClassifySearchShuttleData toLeftClassifyData = new ClassifySearchShuttleData(); toLeftClassifyData.setClassifyName(oriClassifyData.getClassifyName()); toLeftClassifyData.setClassifyValue(oriClassifyData.getClassifyValue()); int index = this.rightDataList.indexOf(data); for(Entry<DropDownBox.Data,Composite> entry:itemCompositeList.entrySet()){ oriClassifyData.getDataList().remove(entry.getKey()); toLeftClassifyData.addData(entry.getKey()); itemCompositeList.remove(entry.getKey()).dispose(); if(index != -1){ this.rightDataList.get(index).getDataList().remove(entry.getKey()); } } generateLeftItemComposite(toLeftClassifyData); } } oriClassifyData.getDataList().addAll(data.getDataList()); } //绘制每项内容 if(CollectionUtil.isNotEmpty(data.getDataList())){ for(DropDownBox.Data item:data.getDataList()){ generateItemComposite(item,itemClassifyComposite,new Listener(){ @Override public void handleEvent(Event event) { Label img = (Label)event.widget; boolean select = (boolean)img.getData("checked"); DropDownBox.Data data = (DropDownBox.Data)img.getData("value"); if (select) { removeItemSelectEvent(rightSelectMap,data,(ClassifySearchShuttleData)img.getParent().getParent().getData("data")); changeUnSelectCheckBox(img); select = false; } else { addItemSelectEvent(rightSelectMap,data,(ClassifySearchShuttleData)img.getParent().getParent().getData("data"),img.getParent().getParent()); changeSelectCheckBox(img); select = true; } img.setData("checked", select); updateRightNum(); } }); } } int index = this.rightDataList.indexOf(data); if(index != -1){ this.rightDataList.get(index).getDataList().addAll(data.getDataList()); }else{ ClassifySearchShuttleData rightClassifyData = new ClassifySearchShuttleData(); rightClassifyData.setClassifyName(data.getClassifyName()); rightClassifyData.setClassifyValue(data.getClassifyValue()); rightClassifyData.getDataList().addAll(data.getDataList()); this.rightDataList.add(rightClassifyData); } } /** * 从右侧的选择列表中去掉非选中的项 * @param rightSelectMap 记录右侧选中的项，key为分类对象，分类对象中的dataList为该分类下选中的项 * @param itemData 要移除的项 * @param nowClassifyData 固定值，不可变 */ private void removeItemSelectEvent(Map<ClassifySearchShuttleData,Composite> rightSelectMap,DropDownBox.Data itemData,ClassifySearchShuttleData nowClassifyData){ if(CollectionUtil.isNotEmpty(rightSelectMap)){ ClassifySearchShuttleData selectClassifyData = null; for(Entry<ClassifySearchShuttleData,Composite> entry:rightSelectMap.entrySet()){ if(entry.getKey().equals(nowClassifyData)){ selectClassifyData = entry.getKey(); break; } } if(null != selectClassifyData && CollectionUtil.isNotEmpty(selectClassifyData.getDataList()) && selectClassifyData.getDataList().contains(itemData)){ selectClassifyData.getDataList().remove(itemData); } if(null == selectClassifyData || CollectionUtil.isEmpty(selectClassifyData.getDataList())){ rightSelectMap.remove(selectClassifyData); } } } /** * 从右侧的选择列表中选中项 * @param rightSelectMap 记录右侧选中的项，key为分类对象，分类对象中的dataList为该分类下选中的项 * @param itemData 选中的项 * @param nowClassifyData 固定值，不可变 */ private void addItemSelectEvent(Map<ClassifySearchShuttleData,Composite> rightSelectMap,DropDownBox.Data itemData,ClassifySearchShuttleData nowClassifyData,Composite classifyComposite){ ClassifySearchShuttleData selectClassifyData = null; if(CollectionUtil.isNotEmpty(rightSelectMap)){ for(Entry<ClassifySearchShuttleData,Composite> entry:rightSelectMap.entrySet()){ if(entry.getKey().equals(nowClassifyData)){ selectClassifyData = entry.getKey(); break; } } } if(selectClassifyData == null){ selectClassifyData = new ClassifySearchShuttleData(); selectClassifyData.setClassifyName(nowClassifyData.getClassifyName()); selectClassifyData.setClassifyValue(nowClassifyData.getClassifyValue()); } if(!selectClassifyData.getDataList().contains(itemData)){ selectClassifyData.getDataList().add(itemData); } rightSelectMap.put(selectClassifyData, classifyComposite); } @SuppressWarnings("unchecked") @Override protected void rightMoveEvent(Event event){ if(CollectionUtil.isEmpty(selectedList)){ new CustomMessageBox(this.parent.getShell(), "请在左侧区域选择移动项!", Model.CONFIRM_MODEL).open(); return; } boolean allowable = false; if(null == searchShuttleBoxEvent){ allowable = true; }else if(searchShuttleBoxEvent.addEvent(selectedList,this)){ allowable = true; }else{ log.trace("addEvent cancle move"); return; } if(allowable){ for(Entry<DefinedClassifySearchShuttleBox.ClassifySearchShuttleData, Composite> entry:selectMap.entrySet()){ if(null != entry.getValue() && CollectionUtil.isNotEmpty(entry.getKey().getDataList())){ Map<DropDownBox.Data,Composite> itemCompositeDataMap = (Map<DropDownBox.Data, Composite>)entry.getValue().getData("dataComposite"); if(CollectionUtil.isNotEmpty(itemCompositeDataMap)){ for(DropDownBox.Data data:entry.getKey().getDataList()){ if(itemCompositeDataMap.containsKey(data)){ itemCompositeDataMap.remove(data).dispose(); } } } if(CollectionUtil.isEmpty(itemCompositeDataMap)){ entry.getValue().dispose(); } this.totalCount-=entry.getKey().getDataList().size(); } //右侧绘制一个内容 generateRightItem(entry.getKey()); } selectedList.clear(); selectMap.clear(); updateRightNum(); updateLeftNum(); notifyScrollSearch(); relayoutScrollComposite(); relayoutRightScrollComposite(); } } /** * 向左移动触发的事件（绘制界面） * @param event */ @SuppressWarnings("unchecked") @Override protected void leftMoveEvent(Event event){ if(CollectionUtil.isEmpty(rightSelectMap)){ new CustomMessageBox(this.parent.getShell(), "请在右侧区域选择移动项!", Model.CONFIRM_MODEL).open(); return; } boolean allowable = false; if(null == searchShuttleBoxEvent){ allowable = true; }else if(searchShuttleBoxEvent.deleteEvent(new ArrayList<>(rightSelectMap.keySet()),this)){ allowable = true; }else{ log.trace("deleteEvent cancle move"); return; } if(allowable){ if(totalCount == 0){ //原先总量为0 disposeLeftContentComposite(); } for(Entry<ClassifySearchShuttleData, Composite> entry:rightSelectMap.entrySet()){ if(null != entry.getValue() && CollectionUtil.isNotEmpty(entry.getKey().getDataList())){ Map<DropDownBox.Data,Composite> itemCompositeDataMap = (Map<DropDownBox.Data, Composite>)entry.getValue().getData("dataComposite"); if(CollectionUtil.isNotEmpty(itemCompositeDataMap)){ for(DropDownBox.Data data:entry.getKey().getDataList()){ if(itemCompositeDataMap.containsKey(data)){ itemCompositeDataMap.remove(data).dispose(); } } } if(CollectionUtil.isEmpty(itemCompositeDataMap)){ entry.getValue().dispose(); Map<ClassifySearchShuttleData,Composite> classifySearchShuttleDataMap = (Map<ClassifySearchShuttleData, Composite>)rightScrolledContentComposite.getData("data"); if(CollectionUtil.isNotEmpty(classifySearchShuttleDataMap) && classifySearchShuttleDataMap.containsKey(entry.getKey())){ classifySearchShuttleDataMap.remove(entry.getKey()); } } this.totalCount+=entry.getKey().getDataList().size(); } rightDataList.remove(entry.getKey()); //左侧绘制一个内容 generateLeftItemComposite(entry.getKey()); } rightSelectMap.clear(); updateRightNum(); updateLeftNum(); relayoutScrollComposite(); relayoutRightScrollComposite(); } } /** * 将右侧选中的项换回到左侧区域时，右侧区域需要对应生成显示内容 * @param data 右侧区域选中的项 */ private void generateLeftItemComposite(ClassifySearchShuttleData data){ if(null != data && CollectionUtil.isNotEmpty(data.getDataList())){ Composite classifyComposite = null; for(Control control:comboConenetComposite.getChildren()){ if(null != control.getData("data") && ((ClassifySearchShuttleData)control.getData("data")).equals(data)){ classifyComposite = (Composite)control; break; } } if(null == classifyComposite){ generateComboItem(data); }else{ //绘制每项内容 for(DropDownBox.Data item:data.getDataList()){ generateItemComposite(item,classifyComposite,new Listener(){ @Override public void handleEvent(Event event) { Label img = (Label)event.widget; boolean select = (boolean)img.getData("checked"); DropDownBox.Data data = (DropDownBox.Data)img.getData("value"); if (select) { removeItemData(data,(ClassifySearchShuttleData)img.getParent().getParent().getData("data"),selectedList,selectMap); changeUnSelectCheckBox(img); select = false; } else { if(classifyUnique){ //若是仅允许一个分类中选中一个，需要将原先选中的取消掉 removeAllClassifyItemData((ClassifySearchShuttleData)img.getParent().getParent().getData("data"),selectedList,selectMap); } addItemData(data,img.getParent().getParent(),(ClassifySearchShuttleData)img.getParent().getParent().getData("data"),selectedList,selectMap); changeSelectCheckBox(img); select = true; } img.setData("checked", select); updateLeftNum(); } }); } } } } @Override protected void generateComboItemComposite(ClassifySearchShuttleData data, Composite itemClassifyComposite) { //itemComposite 为一个分类的composite,里面应该显示自己的子标题及类中的每个项 if(null != data && CollectionUtil.isNotEmpty(data.getDataList())){ GridData gd_itemComposite = (GridData)itemClassifyComposite.getLayoutData(); gd_itemComposite.heightHint = -1; GridLayout gl_itemComposite = new GridLayout(1,true); gl_itemComposite.verticalSpacing = 0; gl_itemComposite.horizontalSpacing = 0; gl_itemComposite.marginHeight = 0; gl_itemComposite.marginWidth = 0; itemClassifyComposite.setLayout(gl_itemComposite); //绘制标题内容 generateTitleComposite(data.getClassifyName(),itemClassifyComposite); //绘制每项内容 for(DropDownBox.Data item:data.getDataList()){ generateItemComposite(item,itemClassifyComposite,new Listener(){ @Override public void handleEvent(Event event) { Label img = (Label)event.widget; boolean select = (boolean)img.getData("checked"); DropDownBox.Data data = (DropDownBox.Data)img.getData("value"); if (select) { removeItemData(data,(ClassifySearchShuttleData)itemClassifyComposite.getData("data"),selectedList,selectMap); changeUnSelectCheckBox(img); select = false; } else { if(classifyUnique){ //若是仅允许一个分类中选中一个，需要将原先选中的取消掉 removeAllClassifyItemData((ClassifySearchShuttleData)itemClassifyComposite.getData("data"),selectedList,selectMap); } addItemData(data,itemClassifyComposite,(ClassifySearchShuttleData)itemClassifyComposite.getData("data"),selectedList,selectMap); changeSelectCheckBox(img); select = true; } img.setData("checked", select); updateLeftNum(); } }); } } itemClassifyComposite.layout(true); } /** * 绘制标题区域内容 * @param title * @param itemClassifyComposite */ private void generateTitleComposite(String title,Composite itemClassifyComposite){ Composite title_composite = new Composite(itemClassifyComposite,SWT.NONE); GridData gd_title_composite = new GridData(SWT.FILL,SWT.FILL,true,false,1,1); gd_title_composite.heightHint = 35; title_composite.setLayoutData(gd_title_composite); GridLayout gl_title_composite = new GridLayout(1,true); gl_title_composite.marginWidth = 3; title_composite.setLayout(gl_title_composite); title_composite.setBackground(SWTResourceManager.getColor(245,245,245)); CLabel title_label = new CLabel(title_composite,SWT.NONE); title_label.setBackground(SWTResourceManager.getColor(245,245,245)); title_label.setForeground(SWTResourceManager.getTextColor()); GridData gd_title_label = new GridData(SWT.FILL,SWT.FILL,true,true,1,1); title_label.setLayoutData(gd_title_label); title_label.setText(title); } /** * 绘制每个类中的项 * @param data * @param itemComposite */ @SuppressWarnings("unchecked") private void generateItemComposite(DropDownBox.Data data,Composite itemClassifyComposite,Listener checkboxListener){ Composite itemComposite = new Composite(itemClassifyComposite,SWT.NONE); itemComposite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_itemComposite = new GridData(SWT.FILL,SWT.FILL,false,false,1,1); gd_itemComposite.heightHint = this.comboRowHeight; gd_itemComposite.widthHint = this.comboRowWidth-20; itemComposite.setLayoutData(gd_itemComposite); GridLayout gl_itemComposite = new GridLayout(2,false); gl_itemComposite.verticalSpacing = 0; gl_itemComposite.horizontalSpacing = 5; itemComposite.setLayout(gl_itemComposite); Label img = new Label(itemComposite, SWT.NONE); GridData gd_img = new GridData(SWT.FILL,SWT.FILL,false,false,1,1); gd_img.widthHint = 24; gd_img.heightHint = 24; img.setLayoutData(gd_img); img.setData("value", data); changeUnSelectCheckBox(img); itemComposite.setData("checkbox", img); img.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); img.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); img.addListener(SWT.MouseDown, checkboxListener); CLabel itemLabel = new CLabel(itemComposite, SWT.NONE); itemLabel.setText(data.getDisplay()); itemLabel.setData("value", data); itemLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); GridData gd_itemLabel= new GridData(SWT.FILL,SWT.FILL,true,true,1,1); itemLabel.setLayoutData(gd_itemLabel); itemLabel.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); itemLabel.addListener(SWT.MouseEnter, new Listener() { @Override public void handleEvent(Event event) { changeItemSelection(itemLabel); } }); itemLabel.addListener(SWT.MouseExit, new Listener() { @Override public void handleEvent(Event event) { changeItemUnSelection(itemLabel); } }); itemLabel.addListener(SWT.MouseDown, new Listener() { @Override public void handleEvent(Event event) { Event newEvent = new Event(); newEvent.widget = img; img.notifyListeners(SWT.MouseDown, newEvent); } }); itemComposite.layout(true); Map<DropDownBox.Data,Composite> itemCompositeList = (Map<DropDownBox.Data,Composite>)itemClassifyComposite.getData("dataComposite"); if(null == itemCompositeList){ itemCompositeList = new HashMap<DropDownBox.Data,Composite>(); itemClassifyComposite.setData("dataComposite", itemCompositeList); } itemCompositeList.put(data,itemComposite); itemClassifyComposite.layout(true); } /** * 将左侧区域中一个类中所有项更改成非选中状态 * @param classify 类容器上绑定的类数据，不可变更 * @param classifyDataList * @param classifyDataMap */ @SuppressWarnings("unchecked") private void removeAllClassifyItemData(ClassifySearchShuttleData classify,List<ClassifySearchShuttleData> classifyDataList,Map<ClassifySearchShuttleData,Composite> classifyDataMap){ int index = classifyDataList.indexOf(classify); if(index != -1){ ClassifySearchShuttleData newClassifyData = classifyDataList.get(index); Composite classifyComposite = classifyDataMap.get(newClassifyData); Map<DropDownBox.Data,Composite> itemDataMap = (Map<DropDownBox.Data, Composite>)classifyComposite.getData("dataComposite"); if(CollectionUtil.isNotEmpty(newClassifyData.getDataList())){ if(CollectionUtil.isNotEmpty(itemDataMap)){ for(DropDownBox.Data itemData:newClassifyData.getDataList()){ if(itemDataMap.containsKey(itemData)){ Composite itemComposite = itemDataMap.get(itemData); Label img = (Label)itemComposite.getData("checkbox"); changeUnSelectCheckBox(img); img.setData("checked",false); } } } } } classifyDataList.remove(classify); classifyDataMap.remove(classify); } /** * 左侧区域取消选中一个分类中的项 * @param data * @param classifyDataList * @param classifyDataMap */ private void removeItemData(DropDownBox.Data data,ClassifySearchShuttleData classify,List<ClassifySearchShuttleData> classifyDataList,Map<ClassifySearchShuttleData,Composite> classifyDataMap){ if(CollectionUtil.isNotEmpty(classifyDataList) && data != null){ List<ClassifySearchShuttleData> removeClassifySearchShuttleDataList = new ArrayList<>(); int index = classifyDataList.indexOf(classify); if(index != -1){ ClassifySearchShuttleData classifyData = classifyDataList.get(index); if(null != classifyData && CollectionUtil.isNotEmpty(classifyData.getDataList()) && classifyData.getDataList().contains(data)){ classifyData.getDataList().remove(data); if(CollectionUtil.isEmpty(classifyData.getDataList())){ removeClassifySearchShuttleDataList.add(classifyData); classifyDataMap.remove(classifyData); } } }else{ classifyDataMap.remove(classify); } if(CollectionUtil.isNotEmpty(removeClassifySearchShuttleDataList)){ classifyDataList.removeAll(removeClassifySearchShuttleDataList); } } } /** * 左侧区域选中一个项 * @param data * @param classifyDataList * @param classifyDataMap */ private void addItemData(DropDownBox.Data data,Composite classifyComposite,ClassifySearchShuttleData classify,List<ClassifySearchShuttleData> classifyDataList,Map<ClassifySearchShuttleData,Composite> classifyDataMap){ if(data != null && null != classifyDataList && null != classifyDataMap){ int index = classifyDataList.indexOf(classify); ClassifySearchShuttleData newClassify; if(index != -1){ newClassify = classifyDataList.get(index); }else{ newClassify = new ClassifySearchShuttleData(); newClassify.setClassifyName(classify.getClassifyName()); newClassify.setClassifyValue(classify.getClassifyValue()); classifyDataList.add(newClassify); } List<DropDownBox.Data> itemDataList = newClassify.getDataList(); if(null == itemDataList){ itemDataList = new ArrayList<>(); newClassify.setDataList(itemDataList); } if(!itemDataList.contains(data)){ itemDataList.add(data); } classifyDataMap.put(newClassify, classifyComposite); } } /** * 更换左侧内容区域的数字*/ @Override protected void updateLeftNum(){ num_label.setText("(当前选中"+ fixTotalSize(this.selectedList)+"/"+this.totalCount+")"); num_label.getParent().layout(true); } /** * 更换右侧内容区域的数字 */ protected void updateRightNum(){ right_num_label.setText("("+fixTotalSize(this.rightDataList)+")"); right_num_label.getParent().layout(true); } /** * 计算条数 * @param classifyList * @return */ public int fixTotalSize(List<ClassifySearchShuttleData> classifyList){ int size = 0; if(CollectionUtil.isNotEmpty(classifyList)){ for(ClassifySearchShuttleData classifyData:classifyList){ if(null != classifyData && CollectionUtil.isNotEmpty(classifyData.getDataList())){ size += classifyData.getDataList().size(); } } } return size; } public boolean isClassifyUnique() { return classifyUnique; } public void setClassifyUnique(boolean classifyUnique) { this.classifyUnique = classifyUnique; } /** * <p>分类数据</p> * @version V1.0 */ public static class ClassifySearchShuttleData{ private String classifyName; private String classifyValue; private List<DropDownBox.Data> dataList = new ArrayList<>(); public String getClassifyName() { return classifyName; } public void setClassifyName(String classifyName) { this.classifyName = classifyName; } public String getClassifyValue() { return classifyValue; } public void setClassifyValue(String classifyValue) { this.classifyValue = classifyValue; } public List<DropDownBox.Data> getDataList() { return dataList; } public void setDataList(List<DropDownBox.Data> dataList) { this.dataList = dataList; } public void addData(DropDownBox.Data data){ this.dataList.add(data); } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((classifyValue == null)?0:classifyValue.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; ClassifySearchShuttleData other = (ClassifySearchShuttleData)obj; if (classifyValue == null) { if (other.classifyValue != null) return false; } else if (!classifyValue.equals(other.classifyValue)) return false; return true; } } }
5.2 无分类穿梭框
package com.view.control.shuttlebox; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; 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 com.view.control.select.DropDownBox; import com.view.swt.SWTResourceManager; /** * <p> * 带搜索功能的穿梭框(gridLayout布局) * </p> * @version V1.0 */ public class DefinedSearchShuttleBox extends DefinedCommonSearchShuttleBox<DropDownBox.Data> { public DefinedSearchShuttleBox(Composite parent,int comboRowWidth,SearchShuttleBoxEvent<DropDownBox.Data> event){ super(parent, null, comboRowWidth); this.searchShuttleBoxEvent = event; } /** * 绘制右侧一个item框架 * @param data */ @Override protected void generateRightItem(DropDownBox.Data data){ Composite itemComposite = new Composite(rightScrolledContentComposite,SWT.NONE); itemComposite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); GridData gd_itemComposite = new GridData(SWT.FILL,SWT.FILL,true,false,1,1); gd_itemComposite.heightHint = this.comboRowHeight; gd_itemComposite.widthHint = this.comboRowWidth; itemComposite.setLayoutData(gd_itemComposite); GridLayout gl_itemComposite = new GridLayout(2,false); gl_itemComposite.verticalSpacing = 0; gl_itemComposite.horizontalSpacing = 5; itemComposite.setLayout(gl_itemComposite); Label img = new Label(itemComposite, SWT.NONE); GridData gd_img = new GridData(SWT.FILL,SWT.FILL,false,false,1,1); gd_img.widthHint = 24; gd_img.heightHint = 24; img.setLayoutData(gd_img); img.setData("value", data); changeUnSelectCheckBox(img); img.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); img.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); img.addListener(SWT.MouseDown, new Listener() { @Override public void handleEvent(Event event) { Label img = (Label)event.widget; boolean select = (boolean)img.getData("checked"); DropDownBox.Data data = (DropDownBox.Data)img.getData("value"); if (select) { rightSelectMap.remove(data); changeUnSelectCheckBox(img); select = false; } else { rightSelectMap.put(data, itemComposite); changeSelectCheckBox(img); select = true; } img.setData("checked", select); } }); CLabel itemLabel = new CLabel(itemComposite, SWT.NONE); itemLabel.setText(data.getDisplay()); itemLabel.setData("value", data); itemLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); GridData gd_itemLabel= new GridData(SWT.FILL,SWT.FILL,true,true,1,1); itemLabel.setLayoutData(gd_itemLabel); itemLabel.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); itemLabel.addListener(SWT.MouseEnter, new Listener() { @Override public void handleEvent(Event event) { changeItemSelection(itemLabel); } }); itemLabel.addListener(SWT.MouseExit, new Listener() { @Override public void handleEvent(Event event) { changeItemUnSelection(itemLabel); } }); itemLabel.addListener(SWT.MouseDown, new Listener() { @Override public void handleEvent(Event event) { Event newEvent = new Event(); newEvent.widget = img; img.notifyListeners(SWT.MouseDown, newEvent); } }); itemComposite.layout(true); itemComposite.setData("data", data); relayoutRightScrollComposite(); } /** * 绘制左侧区域每行数据 */ @Override protected void generateComboItemComposite(DropDownBox.Data data, Composite itemComposite) { GridLayout gl_itemComposite = new GridLayout(2,false); gl_itemComposite.verticalSpacing = 0; gl_itemComposite.horizontalSpacing = 5; itemComposite.setLayout(gl_itemComposite); Label img = new Label(itemComposite, SWT.NONE); GridData gd_img = new GridData(SWT.FILL,SWT.FILL,false,false,1,1); gd_img.widthHint = 24; gd_img.heightHint = 24; img.setLayoutData(gd_img); img.setData("value", data); changeUnSelectCheckBox(img); img.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); img.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); img.addListener(SWT.MouseDown, new Listener() { @Override public void handleEvent(Event event) { Label img = (Label)event.widget; boolean select = (boolean)img.getData("checked"); DropDownBox.Data data = (DropDownBox.Data)img.getData("value"); if (select) { selectedList.remove(data); selectMap.remove(data); changeUnSelectCheckBox(img); select = false; } else { selectedList.add(data); selectMap.put(data, itemComposite); changeSelectCheckBox(img); select = true; } img.setData("checked", select); updateLeftNum(); } }); CLabel itemLabel = new CLabel(itemComposite, SWT.NONE); itemLabel.setText(data.getDisplay()); itemLabel.setData("value", data); itemLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); GridData gd_itemLabel= new GridData(SWT.FILL,SWT.FILL,true,true,1,1); itemLabel.setLayoutData(gd_itemLabel); itemLabel.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); itemLabel.addListener(SWT.MouseEnter, new Listener() { @Override public void handleEvent(Event event) { changeItemSelection(itemLabel); } }); itemLabel.addListener(SWT.MouseExit, new Listener() { @Override public void handleEvent(Event event) { changeItemUnSelection(itemLabel); } }); itemLabel.addListener(SWT.MouseDown, new Listener() { @Override public void handleEvent(Event event) { Event newEvent = new Event(); newEvent.widget = img; img.notifyListeners(SWT.MouseDown, newEvent); } }); itemComposite.layout(true); } }