終于keyAssist 交上去了。整理下。
??1
package?com.hactl.eaf.ui.rich.composite.widget.keyassist;
??2
??3import?java.io.IOException;
??4import?java.util.HashMap;
??5import?java.util.Iterator;
??6import?java.util.Set;
??7
??8import?org.eclipse.core.commands.Command;
??9import?org.eclipse.core.commands.ParameterizedCommand;
?10import?org.eclipse.jface.bindings.Binding;
?11import?org.eclipse.jface.bindings.keys.KeyBinding;
?12import?org.eclipse.jface.bindings.keys.KeySequence;
?13import?org.eclipse.jface.bindings.keys.ParseException;
?14import?org.eclipse.ui.IWorkbench;
?15import?org.eclipse.ui.commands.ICommandService;
?16import?org.eclipse.ui.internal.Workbench;
?17import?org.eclipse.ui.internal.keys.WorkbenchKeyboard;
?18import?org.eclipse.ui.keys.IBindingService;
?19
?20
/**?*//**
?21
?*?ShortCutKeyAssist?Util
?22?*?<p>
?23?*?this?class?can?modify?KeyAssist?in?runtime
?24
?*/
?25
?26public?class?ShortCutKeyAssist?
{
?27????private?final?static?String?SCHEME_NAME?=?"com.hactl.eaf.ui.rich.application.defaultAcceleratorConfiguration";
?28
?29????private?final?static?String?CONTEXT_NAME?=?"org.eclipse.ui.contexts.dialogAndWindow";
?30
?31????private?final?static?String?CATEGORY_NAME?=?"RichClient.category";
?32
?33????private?Workbench?workbench;
?34
?35????private?ICommandService?commandService;
?36
?37????private?IBindingService?bindingService;
?38
?39????private?Binding[]?oldbindings;
?40
?41????private?HashMap?newbindings;
?42
?43
????public?ShortCutKeyAssist(IWorkbench?workbench)?{
?44
?45????????this.workbench?=?(Workbench)?workbench;
?46
?47????????bindingService?=?(IBindingService)?workbench
?48????????????????.getAdapter(IBindingService.class);
?49????????commandService?=?(ICommandService)?workbench
?50????????????????.getAdapter(ICommandService.class);
?51
?52????????oldbindings?=?bindingService.getBindings();
?53
?54????????newbindings?=?new?HashMap();
?55
?56
????}
?57
?58????/**?*//**
?59?????*?
?60?????*?@param?commandId
?61?????*?????????The?map?of?command?identifiers?to?commands?must?not?be?null
?62?????*?@param?commandName
?63?????*?????????Show?name?in?the?KeyAssist?list?must?not?be?null
?64?????*?@param?keySequence
?65?????*?????????Short?key?String?must?not?be?null
?66?????*?@param?description
?67?????*?@return
?68?????*/
?69????public?KeyBinding?addShortKey(String?commandId,?String?commandName,
?70????????????String?keySequence,?String?description)?{
?71????????KeySequence?seq?=?null;
?72????????KeyBinding?binding;
?73????????final?Command?command?=?commandService.getCommand(commandId);
?74
?75????????if?(!command.isDefined())
?76????????????command.define(commandName,?description,?commandService
?77????????????????????.getCategory(CATEGORY_NAME),?null);
?78
?79????????try?{
?80????????????seq?=?KeySequence.getInstance(keySequence);
?81????????}?catch?(ParseException?e1)?{
?82????????????//?TODO?Auto-generated?catch?block
?83????????????e1.printStackTrace();
?84????????}
?85
?86????????binding?=?new?KeyBinding(seq,?new?ParameterizedCommand(command,?null),
?87????????????????SCHEME_NAME,?CONTEXT_NAME,?"",?"",?null,?Binding.USER);
?88
?89????????newbindings.put(keySequence,?binding);
?90????????
?91????????return?binding;
?92????}
?93
?94????public?void?removeAllShortKey()?{
?95????????newbindings.clear();
?96????}
?97
?98????public?void?removeShortKey(String?keySequence)?{
?99????????newbindings.remove(keySequence);
100????}
101
102????public?void?OpenKeyAssist()?{
103????????recomputeBindings();
104????????WorkbenchKeyboard?workbenchkeyboard?=?new?WorkbenchKeyboard(
105????????????????this.workbench);
106????????workbenchkeyboard.openMultiKeyAssistShell();
107????}
108
109????private?void?recomputeBindings()?{
110
111????????Binding[]?bindings?=?new?Binding[oldbindings.length
112????????????????+?newbindings.size()];
113????????System.arraycopy(oldbindings,?0,?bindings,?0,?oldbindings.length);
114
115????????Set?set?=?newbindings.keySet();
116????????Iterator?iter?=?set.iterator();
117
118????????for?(int?i?=?oldbindings.length;?i?<?bindings.length;?i++)?{
119????????????if?(iter.hasNext())
120????????????????bindings[i]?=?(Binding)?newbindings.get(iter.next());
121????????}
122
123????????try?{
124????????????bindingService.savePreferences(bindingService
125????????????????????.getScheme(SCHEME_NAME),?bindings);
126
127????????}?catch?(IOException?e)?{
128????????????//?TODO?Auto-generated?catch?block
129????????????e.printStackTrace();
130????????}
131????}
132}
133 這里類就是核心部分了，用來操作keyassit,keyassit包括兩部分的，一是在plugin.xml里定義的，和在runtime時動態加入的。
eclipse 已經提供了取得plugin.xml里keyassist item，的功能。需要實現的是runtime的功能。
典型的應用是在當前畫面中搜索帶快捷鍵的button,哇這個功能看上去有點bt,實際上也是很簡單的。
??1package?com.hactl.eaf.ui.rich.composite.widget.keyassist;
??2
??3import?java.util.ArrayList;
??4import?java.util.HashMap;
??5import?java.util.Iterator;
??6import?java.util.Set;
??7
??8import?org.eclipse.swt.widgets.Button;
??9import?org.eclipse.swt.widgets.Composite;
?10import?org.eclipse.swt.widgets.Control;
?11import?org.eclipse.swt.widgets.Group;
?12import?org.eclipse.swt.widgets.TabFolder;
?13import?org.eclipse.swt.widgets.TabItem;
?14
?15import?com.hactl.eaf.ui.rich.composite.ReadOnlyListingS2Composite;
?16import?com.hactl.eaf.ui.rich.composite.widget.HButton;
?17
?18public?class?WidgetParser?{
?19????private?HashMap?widgets;
?20
?21????public?WidgetParser()?{
?22????????widgets?=?new?HashMap();
?23????}
?24
?25????public?void?parseWidget(Control?control)?{
?26????????if?(control?==?null)?{
?27????????????return;
?28????????}
?29????????if?(control?instanceof?Composite)?{
?30????????????Composite?composite?=?(Composite)?control;
?31????????????Control[]?controls?=?composite.getChildren();
?32????????????for?(int?i?=?0;?i?<?controls.length;?i++)
?33????????????????parseWidget(controls[i]);
?34????????}
?35????????if?(control?instanceof?ReadOnlyListingS2Composite)?{
?36????????????ReadOnlyListingS2Composite?s2composite?=?(ReadOnlyListingS2Composite)?control;
?37????????????Control[]?controls?=?s2composite.getChildren();
?38????????????for?(int?i?=?0;?i?<?controls.length;?i++)
?39????????????????parseWidget(controls[i]);
?40????????}
?41????????if?(control?instanceof?Group)?{
?42????????????Group?group?=?(Group)?control;
?43????????????Control[]?controls?=?group.getChildren();
?44????????????for?(int?i?=?0;?i?<?controls.length;?i++)
?45????????????????parseWidget(controls[i]);
?46????????}
?47????????if?(control?instanceof?TabFolder)?{
?48????????????TabFolder?tab?=?(TabFolder)?control;
?49????????????TabItem[]?controls?=?tab.getItems();
?50????????????for?(int?i?=?0;?i?<?controls.length;?i++)?{
?51????????????????widgets.put("folder."?+?controls[i].getText(),?controls[i]
?52????????????????????????.getText());
?53????????????}
?54????????}
?55????????if?(control?instanceof?HButton)?{
?56????????????HButton?button?=?(HButton)?control;
?57????????????widgets.put("button."?+?button.getText(),?button.getText());
?58????????}
?59????????if?(control?instanceof?Button)?{
?60????????????Button?button?=?(Button)?control;
?61????????????widgets.put("button."?+?button.getText(),?button.getText());
?62????????}
?63
?64????}
?65
?66????/**?*//**
?67?????*?
?68?????*?@return?shortkey?in?all?of?widget?,maybe?has?null?value
?69?????*/
?70????public?ArrayList?getWidgetInfo()?{
?71????????if?(widgets.size()?==?0)
?72????????????return?null;
?73????????ArrayList?list?=?new?ArrayList();
?74????????Set?keyset?=?widgets.keySet();
?75????????Iterator?iter?=?keyset.iterator();
?76????????String[]?strings?=?new?String[widgets.size()];
?77????????while?(iter.hasNext())?{
?78????????????WidgetInfo?info?=?new?WidgetInfo();
?79????????????String?widgetkey?=?(String)iter.next();
?80????????????info.setCommandId(widgetkey);
?81????????????
?82????????????final?String?temp?=?(String)widgets.get(widgetkey);
?83????????????
?84????????????info.setText(getWidgetText(temp));
?85????????????
?86????????????int?index?=?temp.indexOf("&");
?87????????????if?(index?>=?0)?{
?88????????????????info.setShortkey(?"M3+"
?89????????????????????????+?temp.substring(index?+?1,?index?+?2)
?90????????????????????????????????.toUpperCase());
?91????????????}????????????
?92????????????list.add(info);
?93????????????
?94????????}
?95????????return?list;
?96????}
?97
?98????/**?*//**
?99?????*?
100?????*?@return?delete?'&'?in?the?String
101?????*/
102????public?String?getWidgetText(String?oldtext)?{
103????????if?(oldtext?==?null)
104????????????return?null;
105????????String?temp?=?oldtext;
106????????int?index?=?temp.indexOf("&");
107????????if?(index?>=?0)?{
108????????????final?String?temp1?=?temp.substring(0,?index);
109????????????temp?=?temp1?+?temp.substring(index?+?1);
110????????}
111????????return?temp;
112????}
113
114????public?HashMap?getWidgets()?{
115????????return?widgets;
116????}
117}
118 這個類就是為了parser 介面而寫的。利用遞歸可以很簡單的遍歷所以界面中的控件
?1package?com.hactl.eaf.ui.rich.composite.widget.keyassist;
?2
?3public?class?WidgetInfo?{
?4????private?String?commandId;
?5
?6????private?String?text;
?7
?8????private?String?shortkey;
?9
10????public?String?getCommandId()?{
11????????return?commandId;
12????}
13
14????public?void?setCommandId(String?commandId)?{
15????????this.commandId?=?commandId;
16????}
17
18????public?String?getShortkey()?{
19????????return?shortkey;
20????}
21
22????public?void?setShortkey(String?shortkey)?{
23????????this.shortkey?=?shortkey;
24????}
25
26????public?String?getText()?{
27????????return?text;
28????}
29
30????public?void?setText(String?text)?{
31????????this.text?=?text;
32????}
33
34}
35 最后的這個就是parser后返回的結果的類型。