| /******************************************************************************* |
| * Copyright (c) 2005, 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.ui; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.model.IExpression; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.SWTFactory; |
| import org.eclipse.debug.internal.ui.model.elements.ElementContentProvider; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.PresentationContext; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer; |
| import org.eclipse.debug.internal.ui.views.DebugUIViewsMessages; |
| import org.eclipse.debug.internal.ui.views.variables.VariablesView; |
| import org.eclipse.debug.internal.ui.views.variables.details.DefaultDetailPane; |
| import org.eclipse.debug.internal.ui.views.variables.details.DetailPaneProxy; |
| import org.eclipse.debug.internal.ui.views.variables.details.IDetailPaneContainer; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.SashForm; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.graphics.Point; |
| 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.Shell; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.ui.IViewPart; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPartSite; |
| import org.eclipse.ui.PartInitException; |
| |
| /** |
| * A <code>DebugPopup</code> that can be used to inspect an |
| * <code>IExpression</code> object. |
| * <p> |
| * This class is not intended to be subclassed. |
| * </p> |
| * @since 3.2 |
| */ |
| public class InspectPopupDialog extends DebugPopup { |
| |
| private static final String PREF_INSPECT_POPUP_SASH_WEIGHTS = DebugUIPlugin.getUniqueIdentifier() + "inspectPopupSashWeights"; //$NON-NLS-1$ |
| |
| private static final int[] DEFAULT_SASH_WEIGHTS = new int[] { 75, 25 }; |
| private static final int MIN_WIDTH = 300; |
| private static final int MIN_HEIGHT = 250; |
| |
| private TreeModelViewer fViewer; |
| private SashForm fSashForm; |
| private Composite fDetailPaneComposite; |
| private DetailPaneProxy fDetailPane; |
| private Tree fTree; |
| private IExpression fExpression; |
| |
| /** |
| * Creates a new inspect popup. |
| * |
| * @param shell The parent shell |
| * @param anchor point at which to anchor the popup in Display coordinates. Since |
| * 3.3 <code>null</code> indicates a default location should be used. |
| * @param commandId The command id to be used for persistence of |
| * the dialog (possibly <code>null</code>) |
| * @param expression The expression being inspected |
| */ |
| public InspectPopupDialog(Shell shell, Point anchor, String commandId, IExpression expression) { |
| super(shell, anchor, commandId); |
| fExpression = expression; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.DebugPopup#createDialogArea(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Control createDialogArea(Composite parent) { |
| Composite composite = new Composite(parent, parent.getStyle()); |
| GridLayout layout = new GridLayout(); |
| composite.setLayout(layout); |
| composite.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| |
| fSashForm = new SashForm(composite, parent.getStyle()); |
| fSashForm.setOrientation(SWT.VERTICAL); |
| fSashForm.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| |
| VariablesView view = getViewToEmulate(); |
| IPresentationContext context; |
| if (view == null) { |
| context = new PresentationContext(IDebugUIConstants.ID_VARIABLE_VIEW); |
| } else { |
| context = ((TreeModelViewer)view.getViewer()).getPresentationContext(); |
| } |
| fViewer = new TreeModelViewer(fSashForm, SWT.NO_TRIM | SWT.MULTI | SWT.VIRTUAL, context); |
| fViewer.setAutoExpandLevel(1); |
| |
| fDetailPaneComposite = SWTFactory.createComposite(fSashForm, 1, 1, GridData.FILL_BOTH); |
| |
| fDetailPane = new DetailPaneProxy(new DetailPaneContainer()); |
| fDetailPane.display(null); // Bring up the default pane so the user doesn't see an empty composite |
| |
| fTree = fViewer.getTree(); |
| fTree.addSelectionListener(new SelectionListener() { |
| public void widgetSelected(SelectionEvent e) { |
| fDetailPane.display((IStructuredSelection)fViewer.getSelection()); |
| } |
| public void widgetDefaultSelected(SelectionEvent e) {} |
| }); |
| |
| initSashWeights(); |
| |
| fViewer.getContentProvider(); |
| if (view != null) { |
| StructuredViewer structuredViewer = (StructuredViewer) view.getViewer(); |
| if (structuredViewer != null) { |
| ViewerFilter[] filters = structuredViewer.getFilters(); |
| for (int i = 0; i < filters.length; i++) { |
| fViewer.addFilter(filters[i]); |
| } |
| } |
| } |
| |
| TreeRoot treeRoot = new TreeRoot(); |
| fViewer.setInput(treeRoot); |
| |
| return fTree; |
| } |
| |
| /** |
| * Initializes the sash form weights from the preference store (using default values if |
| * no sash weights were stored previously). |
| */ |
| protected void initSashWeights(){ |
| String prefWeights = DebugUIPlugin.getDefault().getPreferenceStore().getString(PREF_INSPECT_POPUP_SASH_WEIGHTS); |
| if (prefWeights.length() > 0){ |
| String[] weights = prefWeights.split(":"); //$NON-NLS-1$ |
| if (weights.length == 2){ |
| try{ |
| int[] intWeights = new int[2]; |
| intWeights[0] = Integer.parseInt(weights[0]); |
| intWeights[1] = Integer.parseInt(weights[1]); |
| fSashForm.setWeights(intWeights); |
| return; |
| } catch (NumberFormatException e){} |
| } |
| } |
| fSashForm.setWeights(DEFAULT_SASH_WEIGHTS); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.PopupDialog#saveDialogBounds(org.eclipse.swt.widgets.Shell) |
| */ |
| protected void saveDialogBounds(Shell shell) { |
| super.saveDialogBounds(shell); |
| if (fSashForm != null && !fSashForm.isDisposed()){ |
| int[] weights = fSashForm.getWeights(); |
| if (weights.length == 2){ |
| String weightString = weights[0] + ":" + weights[1]; //$NON-NLS-1$ |
| DebugUIPlugin.getDefault().getPluginPreferences().setValue(PREF_INSPECT_POPUP_SASH_WEIGHTS, weightString); |
| } |
| } |
| } |
| |
| /** |
| * Creates the content for the root element of the tree viewer in the inspect |
| * popup dialog. Always has one child, the expression this popup is displaying. |
| * |
| */ |
| private class TreeRoot extends ElementContentProvider { |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.model.provisional.elements.ElementContentProvider#getChildCount(java.lang.Object, org.eclipse.debug.internal.ui.viewers.provisional.IPresentationContext) |
| */ |
| protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| return 1; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.model.provisional.elements.ElementContentProvider#getChildren(java.lang.Object, int, int, org.eclipse.debug.internal.ui.viewers.provisional.IPresentationContext) |
| */ |
| protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| return new Object[] { fExpression }; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.model.provisional.elements.ElementContentProvider#supportsContextId(java.lang.String) |
| */ |
| protected boolean supportsContextId(String id) { |
| return true; |
| } |
| } |
| |
| /** |
| * Attempts to find an appropriate view to emulate, this will either be the |
| * variables view or the expressions view. |
| * @return a view to emulate or <code>null</code> |
| */ |
| private VariablesView getViewToEmulate() { |
| IWorkbenchPage page = DebugUIPlugin.getActiveWorkbenchWindow().getActivePage(); |
| VariablesView expressionsView = (VariablesView) page.findView(IDebugUIConstants.ID_EXPRESSION_VIEW); |
| if (expressionsView != null && expressionsView.isVisible()) { |
| return expressionsView; |
| } |
| VariablesView variablesView = (VariablesView) page.findView(IDebugUIConstants.ID_VARIABLE_VIEW); |
| if (variablesView != null && variablesView.isVisible()) { |
| return variablesView; |
| } |
| if (expressionsView != null) { |
| return expressionsView; |
| } |
| return variablesView; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.DebugPopup#close() |
| */ |
| public boolean close() { |
| if (!wasPersisted()) { |
| fExpression.dispose(); |
| } |
| fDetailPane.dispose(); |
| return super.close(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.DebugPopup#getActionText() |
| */ |
| protected String getActionText() { |
| return DebugUIViewsMessages.InspectPopupDialog_0; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.DebugPopup#persist() |
| */ |
| protected void persist() { |
| super.persist(); |
| DebugPlugin.getDefault().getExpressionManager().addExpression(fExpression); |
| |
| fExpression = null; |
| IWorkbenchPage page = DebugUIPlugin.getActiveWorkbenchWindow().getActivePage(); |
| IViewPart part = page.findView(IDebugUIConstants.ID_EXPRESSION_VIEW); |
| if (part == null) { |
| try { |
| page.showView(IDebugUIConstants.ID_EXPRESSION_VIEW); |
| } catch (PartInitException e) { |
| } |
| } else { |
| page.bringToTop(part); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.PopupDialog#getInitialSize() |
| */ |
| protected Point getInitialSize() { |
| Point initialSize = super.getInitialSize(); |
| initialSize.x = Math.max(initialSize.x, MIN_WIDTH); |
| initialSize.y = Math.max(initialSize.y, MIN_HEIGHT); |
| return initialSize; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.PopupDialog#getBackgroundColorExclusions() |
| */ |
| protected List getBackgroundColorExclusions() { |
| List list = super.getBackgroundColorExclusions(); |
| list.add(fSashForm); |
| return list; |
| } |
| |
| /** |
| * Inner class implementing IDetailPaneContainer methods. Handles changes to detail |
| * pane and provides limited access to the detail pane proxy. |
| */ |
| private class DetailPaneContainer implements IDetailPaneContainer{ |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.details.IDetailPaneContainer#getCurrentPaneID() |
| */ |
| public String getCurrentPaneID() { |
| return fDetailPane.getCurrentPaneID(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.details.IDetailPaneContainer#getCurrentSelection() |
| */ |
| public IStructuredSelection getCurrentSelection() { |
| return (IStructuredSelection)fViewer.getSelection(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.details.IDetailPaneContainer#refreshDetailPaneContents() |
| */ |
| public void refreshDetailPaneContents() { |
| fDetailPane.display(getCurrentSelection()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.details.IDetailPaneContainer#getParentComposite() |
| */ |
| public Composite getParentComposite() { |
| return fDetailPaneComposite; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.details.IDetailPaneContainer#getWorkbenchPartSite() |
| */ |
| public IWorkbenchPartSite getWorkbenchPartSite() { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.variables.details.IDetailPaneContainer#paneChanged(java.lang.String) |
| */ |
| public void paneChanged(String newPaneID) { |
| if (newPaneID.equals(DefaultDetailPane.ID)){ |
| applyBackgroundColor(getShell().getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND), fDetailPane.getCurrentControl()); |
| } |
| } |
| |
| } |
| |
| } |
