Java tutorial
/******************************************************************************* * Copyright (c) 2007, 2011 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.cdt.managedbuilder.xlc.ui.properties; import org.eclipse.cdt.managedbuilder.ui.properties.BuildOptionComboFieldEditor; import org.eclipse.cdt.managedbuilder.xlc.ui.Messages; import org.eclipse.cdt.managedbuilder.xlc.ui.XLCUIPlugin; import org.eclipse.cdt.managedbuilder.xlc.ui.preferences.PreferenceConstants; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.QualifiedName; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.preference.DirectoryFieldEditor; import org.eclipse.jface.preference.FieldEditorPreferencePage; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.ui.IWorkbenchPropertyPage; public class XLCompilerPropertyPage extends FieldEditorPreferencePage implements IWorkbenchPropertyPage { protected String originalMessage; protected Composite versionParent; /* (non-Javadoc) * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createFieldEditors() */ @Override protected void createFieldEditors() { createPathEditor(); createVersionEditor(); } /* * (non-Javadoc) * * @see * org.eclipse.jface.preference.FieldEditorPreferencePage#createFieldEditors * () */ protected void createPathEditor() { Composite parent = getFieldEditorParent(); fPathEditor = new DirectoryFieldEditor(PreferenceConstants.P_XL_COMPILER_ROOT, Messages.XLCompilerPropertyPage_0, parent) { @Override protected boolean doCheckState() { // always return true, as we don't want to fail cases when // compiler is installed remotely // just warn user if (!super.doCheckState()) { setMessage(Messages.XLCompilerPropertyPage_2, IMessageProvider.WARNING); } else { setMessage(originalMessage); } return true; } @Override protected boolean checkState() { return doCheckState(); } }; addField(fPathEditor); IProject project = ((IResource) (getElement().getAdapter(IResource.class))).getProject(); String currentPath = null; try { currentPath = project.getPersistentProperty(new QualifiedName("", //$NON-NLS-1$ PreferenceConstants.P_XL_COMPILER_ROOT)); } catch (CoreException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (currentPath == null) { // if the property isn't set, then use the workbench preference IPreferenceStore prefStore = XLCUIPlugin.getDefault().getPreferenceStore(); currentPath = prefStore.getString(PreferenceConstants.P_XL_COMPILER_ROOT); } fPathEditor.setStringValue(currentPath); } protected void createVersionEditor() { IProject project = ((IResource) (getElement().getAdapter(IResource.class))).getProject(); String[] versionEntries = { PreferenceConstants.P_XL_COMPILER_VERSION_8_NAME, PreferenceConstants.P_XL_COMPILER_VERSION_9_NAME, PreferenceConstants.P_XL_COMPILER_VERSION_10_NAME, PreferenceConstants.P_XL_COMPILER_VERSION_11_NAME }; versionParent = getFieldEditorParent(); fVersionEditor = new BuildOptionComboFieldEditor(PreferenceConstants.P_XLC_COMPILER_VERSION, Messages.XLCompilerPropertyPage_1, versionEntries, null, versionParent); addField(fVersionEditor); String currentVersion = null; try { currentVersion = project.getPersistentProperty(new QualifiedName("", //$NON-NLS-1$ PreferenceConstants.P_XLC_COMPILER_VERSION)); } catch (CoreException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (currentVersion == null) { // if the property isn't set, then use the workbench preference IPreferenceStore prefStore = XLCUIPlugin.getDefault().getPreferenceStore(); currentVersion = prefStore.getString(PreferenceConstants.P_XLC_COMPILER_VERSION); } Combo versionCombo = fVersionEditor.getComboControl(versionParent); versionCombo.setText(PreferenceConstants.getVersionLabel(currentVersion)); } protected DirectoryFieldEditor fPathEditor; protected BuildOptionComboFieldEditor fVersionEditor; // private Composite parent; /** * Constructor for SamplePropertyPage. */ public XLCompilerPropertyPage() { super(FieldEditorPreferencePage.FLAT); originalMessage = getMessage(); } @Override protected void performDefaults() { // default to whatever is set on the workbench preference IPreferenceStore prefStore = XLCUIPlugin.getDefault().getPreferenceStore(); String currentPath = prefStore.getString(PreferenceConstants.P_XL_COMPILER_ROOT); String currentVersion = prefStore.getString(PreferenceConstants.P_XLC_COMPILER_VERSION); String currentVersionLabel = PreferenceConstants.getVersionLabel(currentVersion); if (fPathEditor != null) { fPathEditor.setStringValue(currentPath); } //set the selection to default setting fVersionEditor.setPreferenceStore(prefStore); fVersionEditor.setPreferenceName(PreferenceConstants.P_XLC_COMPILER_VERSION); fVersionEditor.loadDefault(); //set the text entry to default setting fVersionEditor.getComboControl(versionParent).setText(currentVersionLabel); } /* * (non-Javadoc) * * @see org.eclipse.jface.preference.FieldEditorPreferencePage#performOk() */ @Override public boolean performOk() { // store the value in the owner text field try { IProject project = ((IResource) (getElement().getAdapter(IResource.class))).getProject(); if (fPathEditor != null) { project.setPersistentProperty(new QualifiedName("", //$NON-NLS-1$ PreferenceConstants.P_XL_COMPILER_ROOT), fPathEditor.getStringValue()); } String version = null; if (fVersionEditor.getSelection() != null) { version = PreferenceConstants.getVersion(fVersionEditor.getSelection()); project.setPersistentProperty(new QualifiedName("", //$NON-NLS-1$ PreferenceConstants.P_XLC_COMPILER_VERSION), version); } } catch (CoreException e) { return false; } return true; } /** * The element. */ private IAdaptable element; /* * (non-Javadoc) * * @see org.eclipse.ui.IWorkbenchPropertyPage#getElement() */ @Override public IAdaptable getElement() { return element; } /** * Sets the element that owns properties shown on this page. * * @param element * the element */ @Override public void setElement(IAdaptable element) { this.element = element; } }