| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jdt.internal.ui.wizards.buildpaths; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| |
| import org.eclipse.jface.dialogs.StatusDialog; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.window.Window; |
| |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.dialogs.StatusInfo; |
| import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField; |
| |
| public class VariablePathDialogField extends StringButtonDialogField { |
| |
| public static class ChooseVariableDialog extends StatusDialog implements ISelectionChangedListener, IDoubleClickListener { |
| private VariableBlock fVariableBlock; |
| |
| public ChooseVariableDialog(Shell parent, String variableSelection) { |
| super(parent); |
| int shellStyle= getShellStyle(); |
| setShellStyle(shellStyle | SWT.MAX | SWT.RESIZE); |
| |
| setTitle(NewWizardMessages.VariablePathDialogField_variabledialog_title); |
| fVariableBlock= new VariableBlock(false, variableSelection); |
| } |
| |
| protected Control createDialogArea(Composite parent) { |
| Composite composite= (Composite) super.createDialogArea(parent); |
| Control control= fVariableBlock.createContents(composite); |
| |
| GridData data= new GridData(GridData.FILL_BOTH); |
| data.widthHint= convertWidthInCharsToPixels(80); |
| data.heightHint= convertHeightInCharsToPixels(15); |
| control.setLayoutData(data); |
| |
| fVariableBlock.addDoubleClickListener(this); |
| fVariableBlock.addSelectionChangedListener(this); |
| applyDialogFont(composite); |
| return composite; |
| } |
| |
| protected void okPressed() { |
| fVariableBlock.performOk(); |
| super.okPressed(); |
| } |
| |
| public String getSelectedVariable() { |
| List elements= fVariableBlock.getSelectedElements(); |
| return ((CPVariableElement) elements.get(0)).getName(); |
| } |
| |
| /* |
| * @see IDoubleClickListener#doubleClick(DoubleClickEvent) |
| */ |
| public void doubleClick(DoubleClickEvent event) { |
| if (getStatus().isOK()) { |
| okPressed(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see ISelectionChangedListener#selectionChanged(SelectionChangedEvent) |
| */ |
| public void selectionChanged(SelectionChangedEvent event) { |
| List elements= fVariableBlock.getSelectedElements(); |
| StatusInfo status= new StatusInfo(); |
| if (elements.size() != 1) { |
| status.setError(""); //$NON-NLS-1$ |
| } |
| updateStatus(status); |
| } |
| /* |
| * @see org.eclipse.jface.window.Window#configureShell(Shell) |
| */ |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.CHOOSE_VARIABLE_DIALOG); |
| } |
| } |
| |
| private Button fBrowseVariableButton; |
| private String fVariableButtonLabel; |
| |
| public VariablePathDialogField(IStringButtonAdapter adapter) { |
| super(adapter); |
| } |
| |
| public void setVariableButtonLabel(String label) { |
| fVariableButtonLabel= label; |
| } |
| |
| // ------- layout helpers |
| |
| public Control[] doFillIntoGrid(Composite parent, int nColumns) { |
| assertEnoughColumns(nColumns); |
| |
| Label label= getLabelControl(parent); |
| label.setLayoutData(gridDataForLabel(1)); |
| Text text= getTextControl(parent); |
| text.setLayoutData(gridDataForText(nColumns - 3)); |
| Button variableButton= getBrowseVariableControl(parent); |
| variableButton.setLayoutData(gridDataForButton(variableButton, 1)); |
| Button browseButton= getChangeControl(parent); |
| browseButton.setLayoutData(gridDataForButton(browseButton, 1)); |
| return new Control[] { label, text, variableButton, browseButton }; |
| } |
| |
| public int getNumberOfControls() { |
| return 4; |
| } |
| public Button getBrowseVariableControl(Composite parent) { |
| if (fBrowseVariableButton == null) { |
| assertCompositeNotNull(parent); |
| |
| fBrowseVariableButton= new Button(parent, SWT.PUSH); |
| fBrowseVariableButton.setText(fVariableButtonLabel); |
| fBrowseVariableButton.setEnabled(isEnabled()); |
| fBrowseVariableButton.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| chooseVariablePressed(); |
| } |
| public void widgetSelected(SelectionEvent e) { |
| chooseVariablePressed(); |
| } |
| }); |
| |
| } |
| return fBrowseVariableButton; |
| } |
| |
| public IPath getPath() { |
| return new Path(getText()); |
| } |
| |
| public String getVariable() { |
| IPath path= getPath(); |
| if (!path.isEmpty()) { |
| return path.segment(0); |
| } |
| return null; |
| } |
| |
| public IPath getPathExtension() { |
| return new Path(getText()).removeFirstSegments(1).setDevice(null); |
| } |
| |
| public IPath getResolvedPath() { |
| String variable= getVariable(); |
| if (variable != null) { |
| IPath path= JavaCore.getClasspathVariable(variable); |
| if (path != null) { |
| return path.append(getPathExtension()); |
| } |
| } |
| return null; |
| } |
| |
| private Shell getShell() { |
| if (fBrowseVariableButton != null) { |
| return fBrowseVariableButton.getShell(); |
| } |
| return JavaPlugin.getActiveWorkbenchShell(); |
| } |
| |
| private void chooseVariablePressed() { |
| String variable= getVariable(); |
| ChooseVariableDialog dialog= new ChooseVariableDialog(getShell(), variable); |
| if (dialog.open() == Window.OK) { |
| IPath newPath= new Path(dialog.getSelectedVariable()).append(getPathExtension()); |
| setText(newPath.toString()); |
| } |
| } |
| |
| protected void updateEnableState() { |
| super.updateEnableState(); |
| if (isOkToUse(fBrowseVariableButton)) { |
| fBrowseVariableButton.setEnabled(isEnabled()); |
| } |
| } |
| |
| } |