自定义SWT控件六之自定义Tab
6、自定义tab
本章节提供的自定义tab 分为两类
- tab上带删除按钮和添加按钮，可删除tab和添加tab
- tab不可删除和添加
6.1 不可删除tab
package com.view.control.tab; 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.Listener; import com.util.StringUtil; import com.view.control.DetectorNode; import com.view.control.TreeNodeData; import com.view.core.valid.dto.Detector; import com.view.swt.SWTCommonUtil; import com.view.swt.SWTResourceManager; import com.view.swt.SWTUtil; import com.view.swt.SWTUtil.BorderLine; /** * <p>tabNode结点</p> * @version V1.0 */ public class TabNode extends DetectorNode { /*** 序列化ID*/ private static final long serialVersionUID = 1L; /*** 结点对应的数据 *****/ protected TreeNodeData nodeData; /****所属tab控件***/ protected Tab tab; protected Composite parent; protected Composite nodeComposite; /****需要更换的内容区域****/ protected Composite contentComposite; public TabNode(Composite parent, TreeNodeData nodeData,Tab tab,Composite contentComposite) { this.parent = parent; this.nodeData = nodeData; this.tab = tab; this.contentComposite = contentComposite; } public void paint(){ nodeComposite = new Composite(parent,SWT.NONE); nodeComposite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_nodeComposite = new GridData(SWT.FILL,SWT.FILL,false,true,1,1); nodeComposite.setLayoutData(gd_nodeComposite); GridLayout gl_nodeComposite = new GridLayout(1,true); gl_nodeComposite.horizontalSpacing = 0; gl_nodeComposite.verticalSpacing = 0; gl_nodeComposite.marginWidth = 10; gl_nodeComposite.marginHeight = 1; nodeComposite.setLayout(gl_nodeComposite); SWTUtil.paintBorder(nodeComposite, SWTResourceManager.getLightGreyBorderColor(), BorderLine.TOP,BorderLine.LEFT,BorderLine.BOTTOM); nodeComposite.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); CLabel tab_content_label= generateNodeContentComposite(); tab_content_label.setData("data", nodeData); this.menuCode = nodeData.getMenuCode(); nodeComposite.addListener(SWT.MouseDown, new Listener(){ @Override public void handleEvent(Event event) { Event newEvent = new Event(); newEvent.button = event.button; newEvent.widget = tab_content_label; tab_content_label.notifyListeners(SWT.MouseDown, newEvent); } }); nodeComposite.setData("nodeLabel", tab_content_label); nodeComposite.layout(true); } /** * 生成tab区域内的内容 * @return */ protected CLabel generateNodeContentComposite(){ CLabel tab_content_label = new CLabel(nodeComposite,SWT.NONE); tab_content_label.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_tab_content_label = new GridData(SWT.FILL,SWT.FILL,true,true,1,1); tab_content_label.setLayoutData(gd_tab_content_label); tab_content_label.setForeground(SWTResourceManager.getTextColor()); tab_content_label.setText(nodeData.getLabel()); tab_content_label.setAlignment(SWT.CENTER); tab_content_label.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); tab_content_label.addListener(SWT.MouseDown, new Listener(){ @Override public void handleEvent(Event event) { if(event.button == 1){ changeTabContentPage(); } } }); return tab_content_label; } /** * 更换内容区域 * @param tabContentPage */ private void changeTabContentPage(){ if(StringUtil.isNotNullAndEmpty(this.nodeData.getActionPageName())){ TabNodeParam tabNodeParam = new TabNodeParam(this.nodeData.getNodeData(),this); SWTCommonUtil.generatorPage(contentComposite, this.nodeData.getActionPageName(), tabNodeParam); } } @Override public void updateErrorStatusImg(Detector detector) { } /** * 获取结点nodeComposite * @return */ public Composite getNodeComposite() { return nodeComposite; } public Tab getTab() { return tab; } /** * 获取nodeLabel * @return */ public CLabel getNodeLabel(){ if(null != nodeComposite && !nodeComposite.isDisposed()){ return (CLabel)nodeComposite.getData("nodeLabel"); } return null; } /*** * 触发结点事件*/ public void notifyNodeEvent(){ Event event = new Event(); event.button = 1; event.widget = nodeComposite; nodeComposite.notifyListeners(SWT.MouseDown, event); } public TreeNodeData getNodeData() { return nodeData; } public Composite getParent() { return parent; } }
TabNode.java 为tab结点。
package com.view.control.tab; import com.view.core.param.Param; /** * <p>tab结点包含的特有参数</p> * @version V1.0 */ public class TabNodeParam extends Param { /*** 序列化ID*/ private static final long serialVersionUID = 1L; /***tab结点上本来绑定的参数***/ private Param param; /***tabNode结点****/ private TabNode tabNode; public TabNodeParam(Param param,TabNode tabNode){ this.param = param; this.tabNode = tabNode; } public Param getParam() { return param; } public void setParam(Param param) { this.param = param; } public TabNode getTabNode() { return tabNode; } public void setTabNode(TabNode tabNode) { this.tabNode = tabNode; } }
TabNodeParam.java 为TabNode中额外绑定的参数。
package com.view.control.tab; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import org.apache.commons.collections.map.MultiValueMap; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.custom.ScrolledComposite; import org.eclipse.swt.events.PaintListener; 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 org.eclipse.swt.widgets.Shell; import com.util.CollectionUtil; import com.view.control.TreeNodeData; import com.view.swt.SWTResourceManager; import com.view.swt.SWTUtil; import com.view.swt.SWTUtil.BorderLine; /** * <p>tab控件（默认打开第一个tab页）</p> * @version V1.0 */ public class Tab { /***采用gridLayout布局**/ protected Composite parent; /***所有的根孩子节点数据*******/ protected List<TreeNodeData> allNodeDataList = new ArrayList<TreeNodeData>(); protected List<TabNode> tabNodeList = new LinkedList<TabNode>(); /***tab高度***/ protected int tabHeight = 25; protected Composite tabComposite; /***选中的tab页***/ protected TabNode chooseTab; /***适用于所有tab结点监听器*****/ protected MultiValueMap nodeListener = MultiValueMap.decorate(new HashMap<Integer,Listener>()); protected Composite content_composite; protected boolean hasEmpty = true; /***tab内容区域是否出现滚动条***/ protected boolean hasScroll = true; public Tab(Composite parent,List<TreeNodeData> allNodeDataList){ this.parent = parent; this.allNodeDataList = allNodeDataList; } public void paint(){ tabComposite = new Composite(parent,SWT.NONE); GridData gd_top_tab_composite = new GridData(SWT.FILL,SWT.FILL,true,false,1,1); gd_top_tab_composite.heightHint = this.tabHeight; tabComposite.setLayoutData(gd_top_tab_composite); tabComposite.setBackground(SWTResourceManager.getWhiteColor()); GridLayout gl_top_tab_composite = new GridLayout(hasEmpty?allNodeDataList.size()+1:allNodeDataList.size(),false); gl_top_tab_composite.horizontalSpacing = 0; gl_top_tab_composite.verticalSpacing = 0; gl_top_tab_composite.marginWidth = 0; gl_top_tab_composite.marginHeight = 0; tabComposite.setLayout(gl_top_tab_composite); if(hasScroll){ ScrolledComposite scroll_content_composite = new ScrolledComposite(parent, SWT.V_SCROLL|SWT.H_SCROLL); GridData gd_scroll_content_composite = new GridData(SWT.FILL,SWT.FILL,true,true,1,1); scroll_content_composite.setLayoutData(gd_scroll_content_composite); scroll_content_composite.setExpandHorizontal(true); scroll_content_composite.setExpandVertical(true); scroll_content_composite.setData("shink", true); content_composite = new Composite(scroll_content_composite, SWT.NONE); scroll_content_composite.setContent(content_composite); }else{ content_composite = new Composite(parent, SWT.NONE); GridData gd_content_composite = new GridData(SWT.FILL,SWT.FILL,true,true,1,1); content_composite.setLayoutData(gd_content_composite); } content_composite.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); generateToTabComposite(); content_composite.layout(true); parent.layout(true); /***默认展开第一个***/ if(CollectionUtil.isNotEmpty(tabNodeList)){ tabNodeList.get(0).notifyNodeEvent(); } } /** * 绘制顶部tab选项页 * @param contentComposite * @return 返回第一个tab页标签 */ protected void generateToTabComposite(){ if(CollectionUtil.isNotEmpty(allNodeDataList)){ for(TreeNodeData nodeData:allNodeDataList){ tabNodeList.add(createTab(nodeData)); } } if(hasEmpty){ Composite empty_composite = new Composite(tabComposite,SWT.NONE); empty_composite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_empty_composite = new GridData(SWT.FILL,SWT.FILL,true,true,1,1); empty_composite.setLayoutData(gd_empty_composite); SWTUtil.paintBorder(empty_composite, SWTResourceManager.getColor(229,229,229),BorderLine.BOTTOM,BorderLine.LEFT); } tabComposite.layout(true); } /** * 创建一个tab * @param top_tab_composite * @return */ @SuppressWarnings("unchecked") protected TabNode createTab(TreeNodeData treeNodeData){ TabNode tabNode = new TabNode(tabComposite,treeNodeData,this,content_composite); tabNode.paint(); CLabel nodeLabel = tabNode.getNodeLabel(); if(null != nodeLabel){ //添加选中样式和非选中样式 nodeLabel.addListener(SWT.MouseDown, new Listener(){ @Override public void handleEvent(Event event) { if(event.button == 1){ if(chooseTab == tabNode){ return; } if(chooseTab != null){ changeTabToUnChoose(chooseTab); } changeTabToChoose(tabNode); chooseTab = tabNode; } } }); if(CollectionUtil.isNotMultiEmpty(nodeListener)){ Iterator<Integer> it = nodeListener.keySet().iterator(); Integer mouseType; Listener listener = null; while(it.hasNext()){ mouseType = it.next(); if(CollectionUtil.isNotEmpty(nodeListener.getCollection(mouseType))){ for(Object object:nodeListener.getCollection(mouseType)){ listener = (Listener)object; nodeLabel.addListener(mouseType, listener); } } } } } return tabNode; } /** * 将tab更改成未选中状态 * @param tab_content_label */ protected void changeTabToUnChoose(TabNode chooseTab){ CLabel nodeLabel = chooseTab.getNodeLabel(); if(null != nodeLabel){ nodeLabel.setForeground(SWTResourceManager.getTextColor()); PaintListener paintListener = (PaintListener)nodeLabel.getParent().getData("paintListener"); if(null != paintListener){ nodeLabel.getParent().removePaintListener(paintListener); } SWTUtil.paintBorder(nodeLabel.getParent(), SWTResourceManager.getColor(229,229,229),BorderLine.LEFT,BorderLine.TOP); SWTUtil.paintBorder(nodeLabel.getParent(), SWTResourceManager.getColor(229,229,229),BorderLine.BOTTOM); nodeLabel.getParent().redraw(); } } /** * 将tab更改成选中状态 * @param tab_content_label */ protected void changeTabToChoose(TabNode chooseTab){ CLabel nodeLabel = chooseTab.getNodeLabel(); if(null != nodeLabel){ nodeLabel.setForeground(SWTResourceManager.getColor(83,157,249)); PaintListener paintListener = (PaintListener)nodeLabel.getParent().getData("paintListener"); if(null != paintListener){ nodeLabel.getParent().removePaintListener(paintListener); } SWTUtil.paintBorder(nodeLabel.getParent(), SWTResourceManager.getColor(229,229,229),BorderLine.LEFT,BorderLine.TOP); SWTUtil.paintBorder(nodeLabel.getParent(), SWTResourceManager.getWhiteColor(),BorderLine.BOTTOM); nodeLabel.getParent().redraw(); } } public int getTabHeight() { return tabHeight; } public void setTabHeight(int tabHeight) { this.tabHeight = tabHeight; } /** * 添加结点监听器 * @param listener */ public void addListener(int mouseEventType,Listener listener){ nodeListener.put(mouseEventType, listener); } public boolean isHasEmpty() { return hasEmpty; } /** * 当tab标签的数量不能够完全撑住一行时，是否剩下的用一个空tab来做支撑 * @param hasEmpty */ public void setHasEmpty(boolean hasEmpty) { this.hasEmpty = hasEmpty; } /** * 所有的重新绘制 * @param composite */ protected void reLayoutAllParent(Composite composite) { Composite contentComposite = composite; 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)); } } public boolean isHasScroll() { return hasScroll; } /** * 设置内容区域是否需要滚动条 * @param hasScroll */ public void setHasScroll(boolean hasScroll) { this.hasScroll = hasScroll; } }
6.2 可删除和添加tab
package com.view.control.tab; 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.Listener; import com.view.control.TreeNodeData; import com.view.control.tab.OptTab.OptTabEvent; import com.view.swt.CustomMessageBox; import com.view.swt.SWTResourceManager; import com.view.swt.CustomMessageBox.Result; public class OptTabNode extends TabNode { private OptTabEvent optTabEvent; private OptTabNode optTabNode; /** * 序列化ID */ private static final long serialVersionUID = 1L; public OptTabNode(Composite parent, TreeNodeData nodeData, OptTab tab, Composite contentComposite) { super(parent, nodeData, tab, contentComposite); } @Override protected CLabel generateNodeContentComposite(){ CLabel tab_content_label; optTabNode = this; if(optTabEvent != null){ GridLayout gl_nodeComposite = new GridLayout(2,false); gl_nodeComposite.horizontalSpacing = 0; gl_nodeComposite.verticalSpacing = 0; gl_nodeComposite.marginWidth = 10; gl_nodeComposite.marginHeight = 1; nodeComposite.setLayout(gl_nodeComposite); tab_content_label = super.generateNodeContentComposite(); CLabel deleteLabel = new CLabel(nodeComposite, SWT.NONE); GridData gd_deleteLabel = new GridData(SWT.TOP,SWT.CENTER,true,true,1,1); deleteLabel.setLayoutData(gd_deleteLabel); deleteLabel.setText("X"); deleteLabel.setAlignment(SWT.RIGHT); deleteLabel.setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE)); deleteLabel.setCursor(SWTResourceManager.getCursor(SWT.CURSOR_HAND)); deleteLabel.addListener(SWT.MouseDown, new Listener() { @Override public void handleEvent(Event event) { if (new CustomMessageBox(deleteLabel.getShell(),"确认要删除?").open() == Result.YES.getResult()) { //删除一个tab ((OptTab)tab).delTab(optTabNode); } } }); }else{ tab_content_label = super.generateNodeContentComposite(); } return tab_content_label; } public OptTabEvent getOptTabEvent() { return optTabEvent; } public void setOptTabEvent(OptTabEvent optTabEvent) { this.optTabEvent = optTabEvent; } }
package com.view.control.tab; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.Set; import log.Message; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.custom.ScrolledComposite; 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.Listener; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.alibaba.fastjson.JSON; import com.util.CollectionUtil; import com.util.StringUtil; import com.view.control.DefindFormAddCombo; import com.view.control.TreeNodeData; import com.view.control.select.DropDownBox; import com.view.swt.SWTCommonUtil; import com.view.swt.SWTResourceManager; import com.view.swt.SWTUtil; import com.view.swt.SWTUtil.BorderLine; /** * <p>可删除和新增tab控件</p> * @version V1.0 */ public class OptTab extends Tab { private static final Logger log = LoggerFactory.getLogger(OptTab.class); private DefindFormAddCombo addCombo; private List<DropDownBox.Data> comboDataList; private Map<DropDownBox.Data,TreeNodeData> allNodeDataMap; private List<DropDownBox.Data> defaultValueList; /****添加combo显示名称****/ private String addComboLabelName; /****combo文本框的宽度****/ private int comboLabelWidth = 24; /*****设置显示名称控件的宽度*****/ private int nameWidth = 50; private OptTabEvent optTabEvent; /****占空间*****/ private List<Composite> tabNodeAllComposite = new LinkedList<Composite>(); public OptTab(Composite parent, List<TreeNodeData> allNodeDataList,String addComboLabelName) { super(parent, allNodeDataList); if(CollectionUtil.isNotEmpty(allNodeDataList)){ comboDataList = new ArrayList<DropDownBox.Data>(allNodeDataList.size()); allNodeDataMap = new HashMap<>(allNodeDataList.size()); DropDownBox.Data data = null; for(TreeNodeData treeNodeData:allNodeDataList){ if(StringUtil.isNotNullAndEmpty(treeNodeData.getLabel()) && StringUtil.isNotNullAndEmpty(treeNodeData.getMenuCode())){ data = new DropDownBox.Data(treeNodeData.getLabel(),treeNodeData.getMenuCode()); allNodeDataMap.put(data, treeNodeData); comboDataList.add(data); }else{ log.trace(HikLog.toLog(new Message("has no label or menuCode","label","menuCode")),treeNodeData.getLabel(),treeNodeData.getMenuCode()); } } } this.addComboLabelName = addComboLabelName; } /** * 创建结点占位符 * @param parentComposite 相对布局 * @return */ private Composite createTabNodePlaceHolder(Composite parentComposite){ Composite nodePlaceHolderComposite = new Composite(parentComposite,SWT.NONE); nodePlaceHolderComposite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_nodePlaceHolderComposite = new GridData(SWT.FILL,SWT.FILL,false,true,1,1); gd_nodePlaceHolderComposite.exclude = true; nodePlaceHolderComposite.setLayoutData(gd_nodePlaceHolderComposite); GridLayout gl_nodePlaceHolderComposite = new GridLayout(1,true); gl_nodePlaceHolderComposite.horizontalSpacing = 0; gl_nodePlaceHolderComposite.verticalSpacing = 0; gl_nodePlaceHolderComposite.marginWidth = 0; gl_nodePlaceHolderComposite.marginHeight = 0; nodePlaceHolderComposite.setLayout(gl_nodePlaceHolderComposite); nodePlaceHolderComposite.setVisible(false); tabNodeAllComposite.add(nodePlaceHolderComposite); return nodePlaceHolderComposite; } @Override protected void generateToTabComposite(){ GridLayout gl_top_tab_composite = new GridLayout(hasEmpty?allNodeDataList.size()+2:allNodeDataList.size()+1,false); gl_top_tab_composite.horizontalSpacing = 0; gl_top_tab_composite.verticalSpacing = 0; gl_top_tab_composite.marginWidth = 0; gl_top_tab_composite.marginHeight = 0; tabComposite.setLayout(gl_top_tab_composite); //若有默认值，则创建默认tab if(CollectionUtil.isNotEmpty(defaultValueList)){ for(DropDownBox.Data defaultValue:defaultValueList){ if(allNodeDataMap.containsKey(defaultValue)){ tabNodeList.add(createTab(allNodeDataMap.get(defaultValue))); }else{ log.error(HikLog.toLog("", "defaultValue is not in allNodeDataList", "defaultValue","allNodeDataList"),JSON.toJSONString(defaultValue),JSON.toJSONString(allNodeDataList)); } } comboDataList.removeAll(defaultValueList); } //预占用tabCompoiste的tab if(CollectionUtil.isNotEmpty(comboDataList)){ for(int i = 0;i<comboDataList.size();i++){ createTabNodePlaceHolder(tabComposite); } } Composite addComboComposite = new Composite(tabComposite,SWT.NONE); addComboComposite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_addComboComposite = new GridData(SWT.FILL,SWT.FILL,false,true,1,1); addComboComposite.setLayoutData(gd_addComboComposite); GridLayout gl_addComboComposite = new GridLayout(1,true); gl_addComboComposite.horizontalSpacing = 0; gl_addComboComposite.verticalSpacing = 0; gl_addComboComposite.marginWidth = 10; gl_addComboComposite.marginHeight = 1; addComboComposite.setLayout(gl_addComboComposite); SWTUtil.paintBorder(addComboComposite, SWTResourceManager.getColor(229,229,229)); addCombo = new DefindFormAddCombo(addComboComposite, addComboLabelName, comboDataList, comboLabelWidth, nameWidth, this.tabHeight-5); addCombo.setNameShowInComboLabel(true); addCombo.addSelectListener(new Listener() { @Override public void handleEvent(Event event) { CLabel itemLabel = (CLabel)event.widget; DropDownBox.Data data = (DropDownBox.Data)itemLabel.getData("value"); addTab(allNodeDataMap.get(data)); } }); addCombo.setComboRowWidth(100); addCombo.paint(); if(hasEmpty){ Composite empty_composite = new Composite(tabComposite,SWT.NONE); empty_composite.setBackground(SWTResourceManager.getWhiteColor()); GridData gd_empty_composite = new GridData(SWT.FILL,SWT.FILL,true,true,1,1); empty_composite.setLayoutData(gd_empty_composite); SWTUtil.paintBorder(empty_composite, SWTResourceManager.getColor(229,229,229),BorderLine.BOTTOM); } addComboComposite.layout(true); tabComposite.layout(true); SWTUtil.paintBorder(this.content_composite,SWTResourceManager.getLightGreyBorderColor(),BorderLine.LEFT,BorderLine.RIGHT,BorderLine.BOTTOM); } /** * 查找可用的tab * @return */ private Composite findAvailablePlaceHolderComposite(){ if(CollectionUtil.isNotEmpty(tabNodeAllComposite)){ GridData gd_placeHolderComposite = null; Composite availabelComposite = null; for(Composite placeHolderComposite:tabNodeAllComposite){ gd_placeHolderComposite = (GridData)placeHolderComposite.getLayoutData(); if(gd_placeHolderComposite.exclude){ availabelComposite = placeHolderComposite; gd_placeHolderComposite.exclude = false; placeHolderComposite.setVisible(true); break; } } return availabelComposite; } return null; } /** * 创建一个tab * @param top_tab_composite * @return */ @SuppressWarnings("unchecked") protected TabNode createTab(TreeNodeData treeNodeData){ Composite placeHolderComposite = findAvailablePlaceHolderComposite(); if(null == placeHolderComposite){ placeHolderComposite = createTabNodePlaceHolder(tabComposite); GridData gd_placeHolderComposite = (GridData)placeHolderComposite.getLayoutData(); gd_placeHolderComposite.exclude = false; placeHolderComposite.setVisible(true); } OptTabNode tabNode = new OptTabNode(placeHolderComposite,treeNodeData,this,content_composite); tabNode.setOptTabEvent(optTabEvent); tabNode.paint(); placeHolderComposite.layout(true); placeHolderComposite.getParent().layout(true); CLabel nodeLabel = tabNode.getNodeLabel(); if(null != nodeLabel){ //添加选中样式和非选中样式 nodeLabel.addListener(SWT.MouseDown, new Listener(){ @Override public void handleEvent(Event event) { if(event.button == 1){ if(chooseTab == tabNode){ return; } if(chooseTab != null){ changeTabToUnChoose(chooseTab); } changeTabToChoose(tabNode); chooseTab = tabNode; } } }); if(CollectionUtil.isNotMultiEmpty(nodeListener)){ Iterator<Integer> it = nodeListener.keySet().iterator(); Integer mouseType; Listener listener = null; while(it.hasNext()){ mouseType = it.next(); if(CollectionUtil.isNotEmpty(nodeListener.getCollection(mouseType))){ for(Object object:nodeListener.getCollection(mouseType)){ listener = (Listener)object; nodeLabel.addListener(mouseType, listener); } } } } } return tabNode; } /** * 删除tab * @param tabNode * @return */ public boolean delTab(OptTabNode tabNode){ if(optTabEvent != null && !optTabEvent.delete(tabNode.getNodeData())){ return false; } tabNode.getNodeComposite().dispose(); TreeNodeData treeNode = tabNode.getNodeData(); DropDownBox.Data data = new DropDownBox.Data(treeNode.getLabel(),treeNode.getMenuCode()); addCombo.addData(data); //默认展开下一个 int index = tabNodeList.indexOf(tabNode); if(index < tabNodeList.size()-1){ tabNodeList.get(index+1).notifyNodeEvent(); }else if(index == tabNodeList.size()-1 && tabNodeList.size()>1){ tabNodeList.get(0).notifyNodeEvent(); }else{ for(Control child:content_composite.getChildren()){ child.dispose(); } reLayoutContentComposite(); } tabNodeList.remove(tabNode); Composite placeHolderComposite = tabNode.getParent(); GridData gd_placeHolderComposite = (GridData)placeHolderComposite.getLayoutData(); gd_placeHolderComposite.exclude = true; placeHolderComposite.setVisible(false); placeHolderComposite.getParent().layout(true); return true; } /** * 添加tab * @param nodeData * @return */ public boolean addTab(TreeNodeData nodeData){ if(nodeData == null){ return false; } if(optTabEvent != null && !optTabEvent.add(nodeData)){ return false; } //创建tab TabNode tabNode = createTab(nodeData); tabNodeList.add(tabNode); tabNode.notifyNodeEvent(); DropDownBox.Data data = new DropDownBox.Data(nodeData.getLabel(),nodeData.getMenuCode()); addCombo.removeData(data); return true; } /** * 重新绘制content区域*/ private void reLayoutContentComposite(){ Set<ScrolledComposite> scrolledCompositeSet = new HashSet<>(); SWTCommonUtil.validScrollComposite(content_composite, scrolledCompositeSet); if(content_composite.getParent() instanceof ScrolledComposite){ ScrolledComposite scroll_content_composite = (ScrolledComposite)content_composite.getParent(); if(CollectionUtil.isEmpty(scrolledCompositeSet)){ scroll_content_composite.setMinSize(content_composite.computeSize(SWT.DEFAULT, SWT.DEFAULT)); }else{ scroll_content_composite.setMinSize(0,0); } }else{ reLayoutAllParent(content_composite); } } /** * 设置默认tab值,这个 defaultValueList 必须在 allNodeDataList中，否则创建不出来对应的tab * @param defaultValueList */ public void setDefaultValueList(List<DropDownBox.Data> defaultValueList) { this.defaultValueList = defaultValueList; } public void setComboLabelWidth(int comboLabelWidth) { this.comboLabelWidth = comboLabelWidth; } public void setNameWidth(int nameWidth) { this.nameWidth = nameWidth; } public void setOptTabEvent(OptTabEvent optTabEvent) { this.optTabEvent = optTabEvent; } /** * * <p>删除一个tab发生的事件</p> * @version V1.0 */ public interface OptTabEvent{ /** * 删除一个tab发生的事件 * @param nodeData * @return */ boolean delete(TreeNodeData nodeData); /*** * 添加一个tab发生的事件 * @param nodeData * @return */ boolean add(TreeNodeData nodeData); } }
