| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.uiDesigner.actions; |
| |
| import com.intellij.openapi.actionSystem.AnAction; |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.actionSystem.Presentation; |
| import com.intellij.uiDesigner.FormEditingUtil; |
| import com.intellij.uiDesigner.SelectionState; |
| import com.intellij.uiDesigner.componentTree.ComponentPtr; |
| import com.intellij.uiDesigner.componentTree.ComponentTreeBuilder; |
| import com.intellij.uiDesigner.designSurface.GuiEditor; |
| import com.intellij.uiDesigner.propertyInspector.DesignerToolWindowManager; |
| import com.intellij.uiDesigner.radComponents.RadComponent; |
| import com.intellij.uiDesigner.radComponents.RadContainer; |
| |
| import java.util.Stack; |
| |
| /** |
| * For each component selects all non selected siblings (if any). If |
| * all component's siblings are already selected then selects component's |
| * parent (if any). |
| * |
| * @author Anton Katilin |
| * @author Vladimir Kondratyev |
| */ |
| public final class ExpandSelectionAction extends AnAction{ |
| public void actionPerformed(final AnActionEvent e) { |
| final GuiEditor editor = FormEditingUtil.getEditorFromContext(e.getDataContext()); |
| assert editor != null; |
| final SelectionState selectionState = editor.getSelectionState(); |
| selectionState.setInsideChange(true); |
| |
| ComponentTreeBuilder builder = DesignerToolWindowManager.getInstance(editor).getComponentTreeBuilder(); |
| if (builder != null) { |
| builder.beginUpdateSelection(); |
| } |
| |
| final Stack<ComponentPtr[]> history = selectionState.getSelectionHistory(); |
| |
| try{ |
| final ComponentPtr[] ptrs = history.peek(); |
| for(int i = ptrs.length - 1; i >= 0; i--){ |
| // Skip invalid components |
| final ComponentPtr ptr = ptrs[i]; |
| ptr.validate(); |
| if(!ptr.isValid()){ |
| continue; |
| } |
| |
| // Extend selection |
| final RadComponent component = ptr.getComponent(); |
| final RadContainer parent = component.getParent(); |
| if(parent == null){ // skip components without parents |
| continue; |
| } |
| boolean shouldSelectParent = true; |
| for(int j = parent.getComponentCount() - 1; j >= 0; j--){ |
| final RadComponent sibling = parent.getComponent(j); |
| if(!sibling.isSelected()){ |
| shouldSelectParent = false; |
| sibling.setSelected(true); |
| } |
| } |
| if(shouldSelectParent){ |
| parent.setSelected(true); |
| } |
| } |
| |
| // Store new selection |
| history.push(SelectionState.getSelection(editor)); |
| } |
| finally { |
| if (builder != null) { |
| builder.endUpdateSelection(); |
| } |
| selectionState.setInsideChange(false); |
| } |
| } |
| |
| public void update(final AnActionEvent e) { |
| final Presentation presentation = e.getPresentation(); |
| final GuiEditor editor = FormEditingUtil.getEditorFromContext(e.getDataContext()); |
| |
| if(editor == null){ |
| presentation.setEnabled(false); |
| return; |
| } |
| |
| final SelectionState selectionState = editor.getSelectionState(); |
| selectionState.setInsideChange(true); |
| final Stack<ComponentPtr[]> history = selectionState.getSelectionHistory(); |
| |
| presentation.setEnabled(!history.isEmpty()); |
| } |
| } |