| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.search.internal.ui; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IWorkspace; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Layout; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.TabFolder; |
| import org.eclipse.swt.widgets.TabItem; |
| |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.util.Assert; |
| import org.eclipse.jface.viewers.CheckStateChangedEvent; |
| import org.eclipse.jface.viewers.CheckboxTableViewer; |
| import org.eclipse.jface.viewers.ICheckStateListener; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.LabelProvider; |
| |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IFileEditorInput; |
| import org.eclipse.ui.IWorkingSet; |
| import org.eclipse.ui.dialogs.ListSelectionDialog; |
| import org.eclipse.ui.help.WorkbenchHelp; |
| |
| import org.eclipse.search.ui.ISearchPage; |
| import org.eclipse.search.ui.ISearchPageContainer; |
| import org.eclipse.search.ui.ISearchPageScoreComputer; |
| |
| import org.eclipse.search.internal.ui.util.ExtendedDialogWindow; |
| import org.eclipse.search.internal.ui.util.ListContentProvider; |
| import org.eclipse.search.internal.ui.util.SWTUtil; |
| |
| class SearchDialog extends ExtendedDialogWindow implements ISearchPageContainer { |
| |
| |
| private class TabFolderLayout extends Layout { |
| protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) { |
| if (wHint != SWT.DEFAULT && hHint != SWT.DEFAULT) |
| return new Point(wHint, hHint); |
| |
| int x= 0; |
| int y= 0; |
| Control[] children= composite.getChildren(); |
| for (int i= 0; i < children.length; i++) { |
| Point size= children[i].computeSize(SWT.DEFAULT, SWT.DEFAULT, flushCache); |
| x= Math.max(x, size.x); |
| y= Math.max(y, size.y); |
| } |
| |
| Point minSize= getMinSize(); |
| x= Math.max(x, minSize.x); |
| y= Math.max(y, minSize.y); |
| |
| if (wHint != SWT.DEFAULT) |
| x= wHint; |
| if (hHint != SWT.DEFAULT) |
| y= hHint; |
| return new Point(x, y); |
| } |
| protected void layout(Composite composite, boolean flushCache) { |
| Rectangle rect= composite.getClientArea(); |
| |
| Control[] children= composite.getChildren(); |
| for (int i= 0; i < children.length; i++) { |
| children[i].setBounds(rect); |
| } |
| } |
| } |
| |
| |
| private IWorkspace fWorkspace; |
| private ISearchPage fCurrentPage; |
| private String fInitialPageId; |
| private int fCurrentIndex; |
| private ISelection fSelection; |
| private IEditorPart fEditorPart; |
| private List fDescriptors; |
| private Point fMinSize; |
| private ScopePart[] fScopeParts; |
| private boolean fPageStateIgnoringScopePart; |
| Button fCustomizeButton; |
| |
| public SearchDialog(Shell shell, IWorkspace workspace, ISelection selection, IEditorPart editor, String pageId) { |
| super(shell); |
| Assert.isNotNull(workspace); |
| fWorkspace= workspace; |
| setPerformActionLabel(SearchMessages.getString("SearchDialog.performAction")); //$NON-NLS-1$ |
| fSelection= selection; |
| fEditorPart= editor; |
| fDescriptors= SearchPlugin.getDefault().getEnabledSearchPageDescriptors(pageId); |
| fInitialPageId= pageId; |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in Window. |
| */ |
| protected void configureShell(Shell shell) { |
| super.configureShell(shell); |
| shell.setText(SearchMessages.getString("SearchDialog.title")); //$NON-NLS-1$ |
| shell.setImage(SearchPluginImages.get(SearchPluginImages.IMG_TOOL_SEARCH)); |
| WorkbenchHelp.setHelp(shell, ISearchHelpContextIds.SEARCH_DIALOG); |
| } |
| |
| public IWorkspace getWorkspace() { |
| return fWorkspace; |
| } |
| |
| public ISelection getSelection() { |
| return fSelection; |
| } |
| |
| public IEditorPart getEditorPart() { |
| return fEditorPart; |
| } |
| |
| //---- Page Handling ------------------------------------------------------- |
| |
| /* |
| * Overrides method from Window |
| */ |
| public void create() { |
| super.create(); |
| if (fCurrentPage != null) |
| fCurrentPage.setVisible(true); |
| } |
| |
| private void handleCustomizePressed() { |
| List input= SearchPlugin.getDefault().getSearchPageDescriptors(); |
| final ArrayList createdImages= new ArrayList(input.size()); |
| ILabelProvider labelProvider= new LabelProvider() { |
| public String getText(Object element) { |
| if (element instanceof SearchPageDescriptor) { |
| String label= ((SearchPageDescriptor)element).getLabel(); |
| int i= label.indexOf('&'); |
| while (i >= 0) { |
| if (i < label.length()) |
| label= label.substring(0, i) + label.substring(i+1); |
| else |
| label.substring(0, i); |
| i= label.indexOf('&'); |
| } |
| return label; |
| } else |
| return null; |
| } |
| public Image getImage(Object element) { |
| if (element instanceof SearchPageDescriptor) { |
| ImageDescriptor imageDesc= ((SearchPageDescriptor)element).getImage(); |
| if (imageDesc == null) |
| return null; |
| Image image= imageDesc.createImage(); |
| if (image != null) |
| createdImages.add(image); |
| return image; |
| } else |
| return null; |
| } |
| }; |
| |
| String message= SearchMessages.getString("SearchPageSelectionDialog.message"); //$NON-NLS-1$ |
| |
| ListSelectionDialog dialog= new ListSelectionDialog(getShell(), input, new ListContentProvider(), labelProvider, message) { |
| public void create() { |
| super.create(); |
| final CheckboxTableViewer viewer= getViewer(); |
| final Button okButton= this.getOkButton(); |
| viewer.addCheckStateListener(new ICheckStateListener() { |
| public void checkStateChanged(CheckStateChangedEvent event) { |
| okButton.setEnabled(viewer.getCheckedElements().length > 0); |
| } |
| }); |
| SelectionListener listener = new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| okButton.setEnabled(viewer.getCheckedElements().length > 0); |
| } |
| }; |
| this.getButton(IDialogConstants.SELECT_ALL_ID).addSelectionListener(listener); |
| this.getButton(IDialogConstants.DESELECT_ALL_ID).addSelectionListener(listener); |
| } |
| }; |
| dialog.setTitle(SearchMessages.getString("SearchPageSelectionDialog.title")); //$NON-NLS-1$ |
| dialog.setInitialSelections(SearchPlugin.getDefault().getEnabledSearchPageDescriptors(fInitialPageId).toArray()); |
| if (dialog.open() == ListSelectionDialog.OK) { |
| SearchPageDescriptor.setEnabled(dialog.getResult()); |
| Display display= getShell().getDisplay(); |
| close(); |
| if (display != null && !display.isDisposed()) { |
| display.asyncExec( |
| new Runnable() { |
| public void run() { |
| new OpenSearchDialogAction().run(); |
| } |
| }); |
| } |
| } |
| destroyImages(createdImages); |
| } |
| |
| private void destroyImages(List images) { |
| Iterator iter= images.iterator(); |
| while (iter.hasNext()) { |
| Image image= (Image)iter.next(); |
| if (image != null && !image.isDisposed()) |
| image.dispose(); |
| } |
| } |
| |
| protected Control createPageArea(Composite parent) { |
| int numPages= fDescriptors.size(); |
| fScopeParts= new ScopePart[numPages]; |
| |
| if (numPages == 0) { |
| Label label= new Label(parent, SWT.CENTER | SWT.WRAP); |
| label.setText(SearchMessages.getString("SearchDialog.noSearchExtension")); //$NON-NLS-1$ |
| return label; |
| } |
| |
| fCurrentIndex= getPreferredPageIndex(); |
| |
| BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() { |
| public void run() { |
| fCurrentPage= getDescriptorAt(fCurrentIndex).createObject(); |
| } |
| }); |
| |
| fCurrentPage.setContainer(this); |
| |
| if (numPages == 1) |
| return getControl(fCurrentPage, parent, 0); |
| else { |
| Composite border= new Composite(parent, SWT.NONE); |
| GridLayout layout= new GridLayout(); |
| layout.marginWidth= 7; |
| layout.marginHeight= 7; |
| border.setLayout(layout); |
| |
| TabFolder folder= new TabFolder(border, SWT.NONE); |
| folder.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| folder.setLayout(new TabFolderLayout()); |
| |
| for (int i= 0; i < numPages; i++) { |
| SearchPageDescriptor descriptor= (SearchPageDescriptor)fDescriptors.get(i); |
| |
| final TabItem item= new TabItem(folder, SWT.NONE); |
| item.setText(descriptor.getLabel()); |
| item.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| item.setData(null); |
| if (item.getImage() != null) |
| item.getImage().dispose(); |
| } |
| }); |
| ImageDescriptor imageDesc= descriptor.getImage(); |
| if (imageDesc != null) |
| item.setImage(imageDesc.createImage()); |
| item.setData(descriptor); |
| if (i == fCurrentIndex) { |
| item.setControl(getControl(fCurrentPage, folder, i)); |
| item.setData(fCurrentPage); |
| } |
| } |
| |
| folder.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent event) { |
| turnToPage(event); |
| } |
| }); |
| |
| folder.setSelection(fCurrentIndex); |
| |
| return border; |
| } |
| } |
| |
| protected Control createButtonBar(Composite parent) { |
| Composite composite= new Composite(parent, SWT.NULL); |
| GridLayout layout= new GridLayout(); |
| layout.numColumns= 3; |
| layout.marginHeight= 0; |
| layout.marginWidth= 0; |
| |
| composite.setLayout(layout); |
| composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| |
| fCustomizeButton= new Button(composite, SWT.NONE); |
| fCustomizeButton.setText(SearchMessages.getString("SearchDialog.customize")); //$NON-NLS-1$ |
| GridData gd= new GridData(); |
| gd.horizontalIndent= 2 * new GridLayout().marginWidth; |
| fCustomizeButton.setLayoutData(gd); |
| SWTUtil.setButtonDimensionHint(fCustomizeButton); |
| fCustomizeButton.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| handleCustomizePressed(); |
| } |
| }); |
| |
| Label filler= new Label(composite, SWT.NONE); |
| filler.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL)); |
| |
| Control result= super.createButtonBar(composite); |
| getButton(IDialogConstants.FINISH_ID).setEnabled(fDescriptors.size() > 0); |
| applyDialogFont(result); |
| return result; |
| } |
| |
| protected boolean performAction() { |
| if (fCurrentPage == null) |
| return true; |
| |
| boolean isAutoBuilding= SearchPlugin.getWorkspace().isAutoBuilding(); |
| if (isAutoBuilding) |
| // disable auto-build during search operation |
| SearchPlugin.setAutoBuilding(false); |
| try { |
| fCustomizeButton.setEnabled(false); |
| return fCurrentPage.performAction(); |
| } finally { |
| fCustomizeButton.setEnabled(true); |
| if (isAutoBuilding) |
| // enable auto-building again |
| SearchPlugin.setAutoBuilding(true); |
| } |
| } |
| |
| private SearchPageDescriptor getDescriptorAt(int index) { |
| return (SearchPageDescriptor)fDescriptors.get(index); |
| } |
| |
| private Point getMinSize() { |
| if (fMinSize != null) |
| return fMinSize; |
| |
| int x= 0; |
| int y= 0; |
| int length= fDescriptors.size(); |
| for (int i= 0; i < length; i++) { |
| Point size= getDescriptorAt(i).getPreferredSize(); |
| if (size.x != SWT.DEFAULT) |
| x= Math.max(x, size.x); |
| if (size.y != SWT.DEFAULT) |
| y= Math.max(y, size.y); |
| } |
| |
| fMinSize= new Point(x, y); |
| return fMinSize; |
| } |
| |
| private void turnToPage(SelectionEvent event) { |
| final TabItem item= (TabItem)event.item; |
| if (item.getControl() == null) { |
| final SearchPageDescriptor descriptor= (SearchPageDescriptor)item.getData(); |
| |
| BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() { |
| public void run() { |
| item.setData(descriptor.createObject()); |
| } |
| }); |
| |
| ISearchPage page= (ISearchPage)item.getData(); |
| page.setContainer(this); |
| |
| Control newControl= getControl(page, (Composite)event.widget, item.getParent().getSelectionIndex()); |
| item.setControl(newControl); |
| } |
| if (item.getData() instanceof ISearchPage) { |
| fCurrentPage= (ISearchPage)item.getData(); |
| fCurrentIndex= item.getParent().getSelectionIndex(); |
| resizeDialogIfNeeded(item.getControl()); |
| fCurrentPage.setVisible(true); |
| } |
| } |
| |
| private int getPreferredPageIndex() { |
| Object element= null; |
| if (fSelection instanceof IStructuredSelection) |
| element= ((IStructuredSelection)fSelection).getFirstElement(); |
| if (element == null && fEditorPart != null) { |
| element= fEditorPart.getEditorInput(); |
| if (element instanceof IFileEditorInput) |
| element= ((IFileEditorInput)element).getFile(); |
| } |
| int result= 0; |
| int level= ISearchPageScoreComputer.LOWEST; |
| int size= fDescriptors.size(); |
| for (int i= 0; i < size; i++) { |
| SearchPageDescriptor descriptor= (SearchPageDescriptor)fDescriptors.get(i); |
| if (fInitialPageId != null && fInitialPageId.equals(descriptor.getId())) |
| return i; |
| |
| int newLevel= descriptor.computeScore(element); |
| if ( newLevel > level) { |
| level= newLevel; |
| result= i; |
| } |
| } |
| return result; |
| } |
| |
| /* |
| * Implements method from ISearchPageContainer |
| */ |
| public IRunnableContext getRunnableContext() { |
| return this; |
| } |
| |
| /* |
| * Implements method from ISearchPageContainer |
| */ |
| public int getSelectedScope() { |
| if (fScopeParts[fCurrentIndex] == null) |
| // safe code - should not happen |
| return ScopePart.WORKSPACE_SCOPE; |
| else |
| return fScopeParts[fCurrentIndex].getSelectedScope(); |
| } |
| |
| /* |
| * Implements method from ISearchPageContainer |
| */ |
| public IWorkingSet[] getSelectedWorkingSets() { |
| if (fScopeParts[fCurrentIndex] == null) |
| // safe code - should not happen |
| return null; |
| else |
| return fScopeParts[fCurrentIndex].getSelectedWorkingSets(); |
| } |
| |
| /* |
| * Implements method from ISearchPageContainer |
| */ |
| public void setSelectedScope(int scope) { |
| if (fScopeParts[fCurrentIndex] != null) |
| fScopeParts[fCurrentIndex].setSelectedScope(scope); |
| } |
| |
| /* |
| * Implements method from ISearchPageContainer |
| */ |
| public boolean hasValidScope() { |
| return getSelectedScope() != WORKING_SET_SCOPE || getSelectedWorkingSets() != null; |
| } |
| |
| /* |
| * Implements method from ISearchPageContainer |
| */ |
| public void setSelectedWorkingSets(IWorkingSet[] workingSets) { |
| if (fScopeParts[fCurrentIndex] != null) |
| fScopeParts[fCurrentIndex].setSelectedWorkingSets(workingSets); |
| } |
| |
| /* |
| * Overrides method from ExtendedDialogWindow |
| */ |
| public void setPerformActionEnabled(boolean state) { |
| super.setPerformActionEnabled(state); |
| fPageStateIgnoringScopePart= state; |
| setPerformActionEnabledFromScopePart(hasValidScope()); |
| } |
| |
| /** |
| * Set the enable state of the perform action button. |
| * <p> |
| * Note: This is a special method to be called only from the ScopePart |
| * </p> |
| */ |
| public void setPerformActionEnabledFromScopePart(boolean state) { |
| if (fPageStateIgnoringScopePart) |
| super.setPerformActionEnabled(state); |
| } |
| |
| private Control getControl(ISearchPage page, Composite parent, int index) { |
| if (page.getControl() == null) { |
| // Page wrapper |
| Composite pageWrapper= new Composite(parent, SWT.NONE); |
| GridLayout layout= new GridLayout(); |
| pageWrapper.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_HORIZONTAL)); |
| layout.marginWidth= 0; |
| layout.marginHeight= 0; |
| pageWrapper.setLayout(layout); |
| |
| // The page itself |
| page.createControl(pageWrapper); |
| |
| // Search scope |
| boolean showScope= getDescriptorAt(index).showScopeSection(); |
| if (showScope) { |
| Composite c= new Composite(pageWrapper, SWT.NONE); |
| layout= new GridLayout(); |
| c.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| c.setLayout(layout); |
| fScopeParts[index]= new ScopePart(this); |
| Control part= fScopeParts[index].createPart(c); |
| applyDialogFont(part); |
| fScopeParts[index].setVisible(true); |
| } |
| } |
| return page.getControl().getParent(); |
| } |
| |
| private void resizeDialogIfNeeded(Control newControl) { |
| Point currentSize= fCurrentPage.getControl().getSize(); |
| Point newSize= newControl.computeSize(SWT.DEFAULT, SWT.DEFAULT, true); |
| if (mustResize(currentSize, newSize)) { |
| Shell shell= getShell(); |
| shell.setSize(shell.computeSize(SWT.DEFAULT, SWT.DEFAULT, true)); |
| } |
| } |
| |
| private boolean mustResize(Point currentSize, Point newSize) { |
| return currentSize.x < newSize.x || currentSize.y < newSize.y; |
| } |
| } |