Java tutorial
/******************************************************************************* * Copyright (c) 2008 xored software, Inc. * * 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: * xored software, Inc. - initial API and Implementation (Alex Panchenko) *******************************************************************************/ package com.aptana.formatter.ui.preferences; import java.io.File; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.Map; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IDialogSettings; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.StatusDialog; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; 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.FileDialog; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.TabFolder; import org.eclipse.swt.widgets.TabItem; import com.aptana.formatter.IScriptFormatterFactory; import com.aptana.formatter.epl.FormatterPlugin; import com.aptana.formatter.preferences.profile.IProfile; import com.aptana.formatter.preferences.profile.IProfileManager; import com.aptana.formatter.preferences.profile.IProfileStore; import com.aptana.formatter.preferences.profile.ProfileKind; import com.aptana.formatter.preferences.profile.ProfileManager; import com.aptana.formatter.ui.FormatterMessages; import com.aptana.formatter.ui.IFormatterModifyDialog; import com.aptana.formatter.ui.IFormatterModifyDialogOwner; import com.aptana.formatter.ui.dialogFields.DialogField; import com.aptana.formatter.ui.dialogFields.IDialogFieldListener; import com.aptana.formatter.ui.dialogFields.StringDialogField; import com.aptana.formatter.ui.util.ExceptionHandler; import com.aptana.formatter.ui.util.IStatusChangeListener; import com.aptana.formatter.ui.util.StatusInfo; public abstract class FormatterModifyDialog extends StatusDialog implements IFormatterModifyDialog, IStatusChangeListener { private final FormatterDialogPreferences preferences = new FormatterDialogPreferences(); private final FormatterControlManager controlManager = new FormatterControlManager(preferences, this); private static final int SAVE_BUTTON_ID = IDialogConstants.CLIENT_ID + 1; private final IFormatterModifyDialogOwner dialogOwner; private final IScriptFormatterFactory formatterFactory; final IDialogSettings fDialogSettings; private Button fSaveButton; private StringDialogField fProfileNameField; private IProfileManager manager; protected IProfile profile; private IStatus tabStatus = Status.OK_STATUS; /** * @param parent */ public FormatterModifyDialog(IFormatterModifyDialogOwner dialogOwner, IScriptFormatterFactory formatterFactory) { super(dialogOwner.getShell()); this.dialogOwner = dialogOwner; this.formatterFactory = formatterFactory; this.fDialogSettings = getDialogSettingsSection(dialogOwner.getDialogSettings(), formatterFactory.getId()); setStatusLineAboveButtons(false); setShellStyle(getShellStyle() | SWT.RESIZE); } public void setProfileManager(IProfileManager manager, String title) { this.manager = manager; this.profile = manager.getSelected(dialogOwner.getProject()); setTitle(title); } private static IDialogSettings getDialogSettingsSection(IDialogSettings settings, String sectionId) { IDialogSettings section = settings.getSection(sectionId); if (section == null) { section = settings.addNewSection(sectionId); } return section; } private static final String KEY_X = "x"; //$NON-NLS-1$ private static final String KEY_Y = "y"; //$NON-NLS-1$ private static final String KEY_WIDTH = "width"; //$NON-NLS-1$ private static final String KEY_HEIGHT = "height"; //$NON-NLS-1$ @Override protected Point getInitialSize() { Point initialSize = super.getInitialSize(); try { int lastWidth = fDialogSettings.getInt(KEY_WIDTH); // if (initialSize.x > lastWidth) // lastWidth = initialSize.x; int lastHeight = fDialogSettings.getInt(KEY_HEIGHT); // if (initialSize.y > lastHeight) // lastHeight = initialSize.y; return new Point(lastWidth, lastHeight); } catch (NumberFormatException ex) { } return initialSize; } @Override protected Point getInitialLocation(Point initialSize) { try { return new Point(fDialogSettings.getInt(KEY_X), fDialogSettings.getInt(KEY_Y)); } catch (NumberFormatException ex) { return super.getInitialLocation(initialSize); } } @Override public boolean close() { final Rectangle shell = getShell().getBounds(); fDialogSettings.put(KEY_WIDTH, shell.width); fDialogSettings.put(KEY_HEIGHT, shell.height); fDialogSettings.put(KEY_X, shell.x); fDialogSettings.put(KEY_Y, shell.y); return super.close(); } private TabFolder fTabFolder; private final List<IFormatterModifiyTabPage> fTabPages = new ArrayList<IFormatterModifiyTabPage>(); @Override protected Control createDialogArea(Composite parent) { final Composite composite = (Composite) super.createDialogArea(parent); Composite nameComposite = new Composite(composite, SWT.NONE); nameComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); nameComposite.setLayout(new GridLayout(3, false)); fProfileNameField = new StringDialogField(); fProfileNameField.setLabelText(FormatterMessages.FormatterModifyDialog_profileName); if (profile != null) { fProfileNameField.setText(profile.getName()); } fProfileNameField.getLabelControl(nameComposite) .setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false)); fProfileNameField.getTextControl(nameComposite) .setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); fProfileNameField.setDialogFieldListener(new IDialogFieldListener() { public void dialogFieldChanged(DialogField field) { validate(); } }); fSaveButton = createButton(nameComposite, SAVE_BUTTON_ID, FormatterMessages.FormatterModifyDialog_export, false); fTabFolder = new TabFolder(composite, SWT.NONE); fTabFolder.setFont(composite.getFont()); fTabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); addPages(); controlManager.initialize(); return composite; } @Override protected void buttonPressed(int buttonId) { if (buttonId == SAVE_BUTTON_ID) { saveButtonPressed(); } else { super.buttonPressed(buttonId); } } protected abstract void addPages(); protected void addTabPage(String title, IFormatterModifiyTabPage tabPage) { final TabItem tabItem = new TabItem(fTabFolder, SWT.NONE); applyDialogFont(tabItem.getControl()); tabItem.setText(title); tabItem.setData(tabPage); tabItem.setControl(tabPage.createContents(controlManager, fTabFolder)); fTabPages.add(tabPage); } public final void statusChanged(IStatus status) { tabStatus = status; validate(); for (IFormatterModifiyTabPage tabPage : fTabPages) { tabPage.updatePreview(); } } public IFormatterModifyDialogOwner getOwner() { return dialogOwner; } public IScriptFormatterFactory getFormatterFactory() { return formatterFactory; } @Override protected void updateButtonsEnableState(IStatus status) { super.updateButtonsEnableState(status); if (fSaveButton != null && !fSaveButton.isDisposed()) { fSaveButton.setEnabled(!validateProfileName().matches(IStatus.ERROR)); } } protected void validate() { updateStatus(getValidationStatus()); } protected IStatus getValidationStatus() { IStatus status = doValidate(); if (tabStatus.getSeverity() < status.getSeverity()) return status; return tabStatus; } protected IStatus doValidate() { if (profile == null || manager == null) { return Status.OK_STATUS; } Map<String, String> values = getPreferences(); String name = getProfileName(); if (name.equals(profile.getName()) && profile.equalsTo(values)) { return StatusInfo.OK_STATUS; } IStatus status = validateProfileName(); if (status.matches(IStatus.ERROR)) { return status; } if (!name.equals(profile.getName()) && manager.containsName(name)) { return new Status(IStatus.ERROR, FormatterPlugin.PLUGIN_ID, FormatterMessages.FormatterModifyDialog_nameExists); } if (profile.isBuiltInProfile()) { return new Status(IStatus.INFO, FormatterPlugin.PLUGIN_ID, FormatterMessages.FormatterModifyDialog_createNewProfile); } return StatusInfo.OK_STATUS; } public String getProfileName() { return fProfileNameField.getText().trim(); } private IStatus validateProfileName() { final String name = getProfileName(); if (profile.isBuiltInProfile()) { if (profile.getName().equals(name)) { return new Status(IStatus.ERROR, FormatterPlugin.PLUGIN_ID, FormatterMessages.FormatterModifyDialog_changeBuiltInProfileName); } } if (name.length() == 0) { return new Status(IStatus.ERROR, FormatterPlugin.PLUGIN_ID, FormatterMessages.FormatterModifyDialog_nameEmpty); } return StatusInfo.OK_STATUS; } /* * @see org.eclipse.jface.dialogs.Dialog#okPressed() */ @Override protected void okPressed() { super.okPressed(); if (!profile.getName().equals(fProfileNameField.getText())) { IProject project = dialogOwner.getProject(); profile = manager.rename(project, profile, fProfileNameField.getText()); manager.setSelected(project, profile); } } private void saveButtonPressed() { // IProfileStore store = formatterFactory.getProfileStore(); IProfileStore store = ProfileManager.getInstance().getProfileStore(); IProfile selected = manager.create(dialogOwner.getProject(), ProfileKind.TEMPORARY, fProfileNameField.getText(), getPreferences(), profile.getVersion()); final FileDialog dialog = new FileDialog(getShell(), SWT.SAVE); dialog.setText(FormatterMessages.FormatterModifyDialog_exportProfile); dialog.setFilterExtensions(new String[] { "*.xml" }); //$NON-NLS-1$ final String path = dialog.open(); if (path == null) return; final File file = new File(path); String message = NLS.bind(FormatterMessages.FormatterModifyDialog_replaceFileQuestion, file.getAbsolutePath()); if (file.exists() && !MessageDialog.openQuestion(getShell(), FormatterMessages.FormatterModifyDialog_exportProfile, message)) { return; } final Collection<IProfile> profiles = new ArrayList<IProfile>(); profiles.add(selected); try { // TODO - WRITE ALL PROFILES store.writeProfilesToFile(profiles, file); } catch (CoreException e) { final String title = FormatterMessages.FormatterModifyDialog_exportProfile; message = FormatterMessages.FormatterModifyDialog_exportProblem; ExceptionHandler.handle(e, getShell(), title, message); } } public void setPreferences(Map<String, String> prefs) { preferences.set(prefs); final Shell shell = getShell(); if (shell != null && !shell.isDisposed()) { controlManager.initialize(); } } public Map<String, String> getPreferences() { return preferences.get(); } }