Java tutorial
/******************************************************************************* * Copyright (c) 2009 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 * Zend Technologies *******************************************************************************/ package org.eclipse.php.internal.ui.preferences; import java.util.ArrayList; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IWorkspace; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.php.internal.ui.IPHPHelpContextIds; import org.eclipse.php.internal.ui.PHPUiPlugin; import org.eclipse.php.internal.ui.util.Messages; import org.eclipse.php.internal.ui.util.StatusInfo; import org.eclipse.php.internal.ui.util.StatusUtil; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.*; import org.eclipse.ui.PlatformUI; public class PHPProjectLayoutPreferencePage extends PropertyAndPreferencePage { public static final String PREF_ID = "org.eclipse.php.ui.preferences.PHPProjectLayoutPreferencePage"; //$NON-NLS-1$ public static final String PROP_ID = "org.eclipse.php.ui.propertyPages.PHPProjectLayoutPreferencePage"; //$NON-NLS-1$ private static final String SRCBIN_FOLDERS_IN_NEWPROJ = PreferenceConstants.SRCBIN_FOLDERS_IN_NEWPROJ; private static final String SRCBIN_SRCNAME = PreferenceConstants.SRCBIN_SRCNAME; private static final String SRCBIN_BINNAME = PreferenceConstants.SRCBIN_BINNAME; private ArrayList fRadioButtons; private Button fProjectAsSourceFolder; private Button fFoldersAsSourceFolder; private Label fSrcFolderNameLabel; private Label fBinFolderNameLabel; private ArrayList fTextControls; private Text fSrcFolderNameText; private Text fBinFolderNameText; private SelectionListener fSelectionListener; private ModifyListener fModifyListener; public PHPProjectLayoutPreferencePage() { setPreferenceStore(PHPUiPlugin.getDefault().getPreferenceStore()); // only used when page is shown programatically // setTitle(PHPUIMessages.getString("PHPBuildPreferencePage_title")); setDescription(PreferencesMessages.NewPHPProjectPreferencePage_description); fRadioButtons = new ArrayList(); fTextControls = new ArrayList(); fSelectionListener = new SelectionListener() { public void widgetDefaultSelected(SelectionEvent e) { } public void widgetSelected(SelectionEvent e) { controlChanged(e.widget); } }; fModifyListener = new ModifyListener() { public void modifyText(ModifyEvent e) { controlModified(e.widget); } }; } /* * @see * org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets * .Composite) */ public void createControl(Composite parent) { super.createControl(parent); PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IPHPHelpContextIds.NEW_PROJECT_LAYOUT_PREFERENCES); } private void controlModified(Widget widget) { if (widget == fSrcFolderNameText || widget == fBinFolderNameText) { validateFolders(); } } /* * (non-Javadoc) * * @seeorg.eclipse.jdt.internal.ui.preferences.PropertyAndPreferencePage# * createPreferenceContent(org.eclipse.swt.widgets.Composite) */ protected Control createPreferenceContent(Composite parent) { initializeDialogUnits(parent); Composite result = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); layout.marginWidth = 0; layout.verticalSpacing = convertVerticalDLUsToPixels(10); layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING); layout.numColumns = 2; result.setLayout(layout); GridData gd = new GridData(GridData.FILL_HORIZONTAL); gd.horizontalSpan = 2; Group sourceFolderGroup = new Group(result, SWT.NONE); layout = new GridLayout(); layout.numColumns = 2; sourceFolderGroup.setLayout(layout); sourceFolderGroup.setLayoutData(gd); sourceFolderGroup.setText(PreferencesMessages.NewPHPProjectPreferencePage_sourcefolder_label); int indent = 0; fProjectAsSourceFolder = addRadioButton(sourceFolderGroup, PreferencesMessages.NewPHPProjectPreferencePage_sourcefolder_project, SRCBIN_FOLDERS_IN_NEWPROJ, IPreferenceStore.FALSE, indent); fProjectAsSourceFolder.addSelectionListener(fSelectionListener); fFoldersAsSourceFolder = addRadioButton(sourceFolderGroup, PreferencesMessages.NewPHPProjectPreferencePage_sourcefolder_folder, SRCBIN_FOLDERS_IN_NEWPROJ, IPreferenceStore.TRUE, indent); fFoldersAsSourceFolder.addSelectionListener(fSelectionListener); indent = convertWidthInCharsToPixels(4); fSrcFolderNameLabel = new Label(sourceFolderGroup, SWT.NONE); fSrcFolderNameLabel.setText(PreferencesMessages.NewPHPProjectPreferencePage_folders_src); fSrcFolderNameText = addTextControl(sourceFolderGroup, fSrcFolderNameLabel, SRCBIN_SRCNAME, indent); fSrcFolderNameText.addModifyListener(fModifyListener); fBinFolderNameLabel = new Label(sourceFolderGroup, SWT.NONE); fBinFolderNameLabel.setText(PreferencesMessages.NewPHPProjectPreferencePage_folders_public); fBinFolderNameText = addTextControl(sourceFolderGroup, fBinFolderNameLabel, SRCBIN_BINNAME, indent); fBinFolderNameText.addModifyListener(fModifyListener); validateFolders(); return result; } private Button addRadioButton(Composite parent, String label, String key, String value, int indent) { GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL); gd.horizontalSpan = 2; gd.horizontalIndent = indent; Button button = new Button(parent, SWT.RADIO); button.setText(label); button.setData(new String[] { key, value }); button.setLayoutData(gd); button.setSelection(value.equals(getPreferenceStore().getString(key))); fRadioButtons.add(button); return button; } private Text addTextControl(Composite parent, Label labelControl, String key, int indent) { GridData gd = new GridData(); gd.horizontalIndent = indent; labelControl.setLayoutData(gd); gd = new GridData(GridData.FILL_HORIZONTAL); gd.widthHint = convertWidthInCharsToPixels(30); Text text = new Text(parent, SWT.SINGLE | SWT.BORDER); text.setText(getPreferenceStore().getString(key)); text.setData(key); text.setLayoutData(gd); fTextControls.add(text); return text; } private void validateFolders() { boolean useFolders = fFoldersAsSourceFolder.getSelection(); fSrcFolderNameText.setEnabled(useFolders); fBinFolderNameText.setEnabled(useFolders); fSrcFolderNameLabel.setEnabled(useFolders); fBinFolderNameLabel.setEnabled(useFolders); if (useFolders) { String srcName = fSrcFolderNameText.getText(); String binName = fBinFolderNameText.getText(); if (srcName.length() + binName.length() == 0) { updateStatus(new StatusInfo(IStatus.ERROR, PreferencesMessages.NewPHPProjectPreferencePage_folders_error_namesempty)); return; } IWorkspace workspace = PHPUiPlugin.getWorkspace(); IProject dmy = workspace.getRoot().getProject("project"); //$NON-NLS-1$ IStatus status; IPath srcPath = dmy.getFullPath().append(srcName); if (srcName.length() != 0) { status = workspace.validatePath(srcPath.toString(), IResource.FOLDER); if (!status.isOK()) { String message = Messages.format( PreferencesMessages.NewPHPProjectPreferencePage_folders_error_invalidsrcname, status.getMessage()); updateStatus(new StatusInfo(IStatus.ERROR, message)); return; } } IPath binPath = dmy.getFullPath().append(binName); if (binName.length() != 0) { status = workspace.validatePath(binPath.toString(), IResource.FOLDER); if (!status.isOK()) { String message = Messages.format( PreferencesMessages.NewPHPProjectPreferencePage_folders_error_invalidbinname, status.getMessage()); updateStatus(new StatusInfo(IStatus.ERROR, message)); return; } } // IClasspathEntry entry= JavaCore.newSourceEntry(srcPath); // status= JavaConventions.validateClasspath(JavaCore.create(dmy), // new IClasspathEntry[] { entry }, binPath); // if (!status.isOK()) { // String message= // PreferencesMessages.NewJavaProjectPreferencePage_folders_error_invalidcp; // updateStatus(new StatusInfo(IStatus.ERROR, message)); // return; // } } updateStatus(new StatusInfo()); // set to OK } @Override protected boolean supportsProjectSpecificOptions() { // project specific preferences is not relevant in this case return false; } private void updateStatus(IStatus status) { setValid(!status.matches(IStatus.ERROR)); StatusUtil.applyToStatusLine(this, status); } private void controlChanged(Widget widget) { if (widget == fFoldersAsSourceFolder || widget == fProjectAsSourceFolder) { validateFolders(); } } public static void initDefaults(IPreferenceStore store) { store.setDefault(SRCBIN_FOLDERS_IN_NEWPROJ, false); store.setDefault(SRCBIN_SRCNAME, "application"); //$NON-NLS-1$ store.setDefault(SRCBIN_BINNAME, "public"); //$NON-NLS-1$ } /* * (non-Javadoc) * * @seeorg.eclipse.jdt.internal.ui.preferences.PropertyAndPreferencePage# * hasProjectSpecificOptions(org.eclipse.core.resources.IProject) */ protected boolean hasProjectSpecificOptions(IProject project) { return false; } /* * (non-Javadoc) * * @seeorg.eclipse.jdt.internal.ui.preferences.PropertyAndPreferencePage# * getPreferencePageID() */ protected String getPreferencePageID() { return PREF_ID; } /* * (non-Javadoc) * * @seeorg.eclipse.jdt.internal.ui.preferences.PropertyAndPreferencePage# * getPropertyPageID() */ protected String getPropertyPageID() { return PROP_ID; } /* * (non-Javadoc) * * @seeorg.eclipse.jdt.internal.ui.preferences.PropertyAndPreferencePage# * enableProjectSpecificSettings(boolean) */ protected void enableProjectSpecificSettings(boolean useProjectSpecificSettings) { super.enableProjectSpecificSettings(useProjectSpecificSettings); } /* * @see org.eclipse.jface.preference.IPreferencePage#performDefaults() */ protected void performDefaults() { IPreferenceStore store = getPreferenceStore(); for (int i = 0; i < fRadioButtons.size(); i++) { Button button = (Button) fRadioButtons.get(i); String[] info = (String[]) button.getData(); button.setSelection(info[1].equals(store.getDefaultString(info[0]))); } for (int i = 0; i < fTextControls.size(); i++) { Text text = (Text) fTextControls.get(i); String key = (String) text.getData(); text.setText(store.getDefaultString(key)); } validateFolders(); super.performDefaults(); } /* * @see org.eclipse.jface.preference.IPreferencePage#performOk() */ public boolean performOk() { IPreferenceStore store = getPreferenceStore(); for (int i = 0; i < fRadioButtons.size(); i++) { Button button = (Button) fRadioButtons.get(i); if (button.getSelection()) { String[] info = (String[]) button.getData(); store.setValue(info[0], info[1]); } } for (int i = 0; i < fTextControls.size(); i++) { Text text = (Text) fTextControls.get(i); String key = (String) text.getData(); store.setValue(key, text.getText()); } PHPUiPlugin.getDefault().savePluginPreferences(); return super.performOk(); } /* * @see org.eclipse.jface.preference.IPreferencePage#performApply() */ public void performApply() { performOk(); } /* * (non-Javadoc) * * @see * org.eclipse.jdt.internal.ui.preferences.PropertyAndPreferencePage#setElement * (org.eclipse.core.runtime.IAdaptable) */ public void setElement(IAdaptable element) { super.setElement(element); setDescription(null); // no description for property page } }