Java tutorial
/* ****************************************************************************** * Copyright (c) 2006-2012 XMind Ltd. and others. * * This file is a part of XMind 3. XMind releases 3 and * above are dual-licensed under the Eclipse Public License (EPL), * which is available at http://www.eclipse.org/legal/epl-v10.html * and the GNU Lesser General Public License (LGPL), * which is available at http://www.gnu.org/licenses/lgpl.html * See http://www.xmind.net/license.html for details. * * Contributors: * XMind Ltd. - initial API and implementation *******************************************************************************/ package org.xmind.cathy.internal; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.FieldEditor; import org.eclipse.jface.preference.FieldEditorPreferencePage; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.IntegerFieldEditor; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.resource.LocalResourceManager; import org.eclipse.jface.resource.ResourceManager; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.program.Program; 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.Event; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.forms.events.HyperlinkAdapter; import org.eclipse.ui.forms.events.HyperlinkEvent; import org.eclipse.ui.forms.widgets.Hyperlink; import org.eclipse.ui.internal.IPreferenceConstants; import org.eclipse.ui.internal.WorkbenchPlugin; import org.xmind.core.usagedata.IUsageDataSampler; import org.xmind.core.usagedata.IUsageDataUploader; import org.xmind.ui.internal.MindMapUIPlugin; import org.xmind.ui.prefs.PrefConstants; import org.xmind.ui.resources.ColorUtils; import org.xmind.ui.util.NumberUtils; public class GeneralPrefPage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage, Listener { // private static class SoftCheckFileFieldEditor // extends StringButtonFieldEditor { // // private String[] extensions = null; // // private String[] extensionNames = null; // // public SoftCheckFileFieldEditor(String name, String labelText, // Composite parent) { // init(name, labelText); // setChangeButtonText(JFaceResources.getString("openBrowse"));//$NON-NLS-1$ // createControl(parent); // } // // @Override // public void setEmptyStringAllowed(boolean b) { // super.setEmptyStringAllowed(b); // refreshValidState(); // } // // @Override // protected boolean checkState() { // Text text = getTextControl(); // if (text == null) // return false; // boolean validFile; // String path = text.getText(); // if ("".equals(path)) { //$NON-NLS-1$ // validFile = isEmptyStringAllowed(); // } else { // validFile = new File(path).isFile(); // } // if (validFile) { // getPage().setMessage(null); // } else { // getPage().setMessage(getErrorMessage(), // IMessageProvider.WARNING); // } // return validFile; // } // // @Override // protected String changePressed() { // File f = new File(getTextControl().getText()); // if (!f.exists()) { // f = null; // } // File d = getFile(f); // if (d == null) { // return null; // } // return d.getAbsolutePath(); // } // // /** // * Helper to open the file chooser dialog. // * // * @param startingDirectory // * the directory to open the dialog on. // * @return File The File the user selected or <code>null</code> if they // * do not. // */ // private File getFile(File startingDirectory) { // FileDialog dialog = new FileDialog(getShell(), // SWT.OPEN | SWT.SHEET); // if (extensions != null) { // dialog.setFilterExtensions(extensions); // if (extensionNames != null) { // dialog.setFilterNames(extensionNames); // } // } // if (startingDirectory != null) { // dialog.setFileName(startingDirectory.getPath()); // } // String file = dialog.open(); // if (file != null) { // file = file.trim(); // if (file.length() > 0) { // return new File(file); // } // } // // return null; // } // // public void setExtensions(String[] extensions) { // this.extensions = extensions; // } // // public void setExtensionNames(String[] extensionNames) { // this.extensionNames = extensionNames; // } // // } // private IntegerFieldEditor autoSaveIntervalsField; // // private Composite autoSaveIntervalsParent; private Text autoSaveIntervalsInput; private boolean autoBackup = true; private BooleanFieldEditor autoBackupField; private IntegerFieldEditor recentFilesField; // private Combo startupActionCombo; // // private SoftCheckFileFieldEditor homeMapField; // // private Control homeMapControl; private Control recentFilesControl; private Button startupActionButton; private ResourceManager resources; public GeneralPrefPage() { super(WorkbenchMessages.GeneralPrefPage_title, FLAT); } @Override public void applyData(Object data) { if (IPreferenceConstants.RECENT_FILES.equals(data)) { if (recentFilesControl != null && !recentFilesControl.isDisposed()) { recentFilesControl.setFocus(); highlight(recentFilesControl.getParent()); } } } private void highlight(final Control control) { final Display display = control.getDisplay(); final Color oldBackground = control.getBackground(); final Color c1 = oldBackground == null ? display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND) : oldBackground; final int r1 = c1.getRed(), g1 = c1.getGreen(), b1 = c1.getBlue(); final int r0 = 255, g0 = 240, b0 = 180; final int total = 30; final int[] step = new int[] { 0 }; final Color[] c = new Color[1]; display.timerExec(500, new Runnable() { public void run() { if (control.isDisposed()) return; c[0] = new Color(display, r0, g0, b0); control.setBackground(c[0]); display.timerExec(20, new Runnable() { public void run() { c[0].dispose(); if (control.isDisposed()) return; ++step[0]; if (step[0] > total) { control.setBackground(null); return; } int x = step[0], y = total - step[0]; int r = (r0 * y + r1 * x) / total; int g = (g0 * y + g1 * x) / total; int b = (b0 * y + b1 * x) / total; c[0] = new Color(display, r, g, b); control.setBackground(c[0]); display.timerExec(20, this); } }); } }); } protected IPreferenceStore doGetPreferenceStore() { return CathyPlugin.getDefault().getPreferenceStore(); } @Override public void createControl(Composite parent) { resources = new LocalResourceManager(JFaceResources.getResources(), parent); super.createControl(parent); } protected Control createContents(Composite parent) { Composite composite = (Composite) super.createContents(parent); ((GridLayout) composite.getLayout()).verticalSpacing = 15; return composite; } protected void createFieldEditors() { addStartupGroup(); addRecentFileCountField(); addAutoSaveGroup(); addAutoBackupGroup(); //addRememberLastSessionField(); //addCheckUpdatesField(); addSendUsageDataGroup(); } private void addStartupGroup() { Composite parent = createGroup(WorkbenchMessages.Startup_title); addStartupActionField(parent); addCheckUpdatesField(parent); } private void addStartupActionField(Composite parent) { startupActionButton = new Button(parent, SWT.CHECK); startupActionButton.setText(WorkbenchMessages.RestoreLastSession_label); // addField(new BooleanFieldEditor(CathyPlugin.RESTORE_LAST_SESSION, // WorkbenchMessages.StartupAction_LastSession, // createFieldContainer(parent, false))); // Composite line = new Composite(parent, SWT.NONE); // line.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); // GridLayout layout = new GridLayout(2, false); // layout.marginHeight = 0; // layout.marginWidth = 0; // line.setLayout(layout); // fillStartupActionFields(line); } // private void fillStartupActionFields(Composite parent) { // Label label = new Label(parent, SWT.NONE); // label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, true)); // label.setText(WorkbenchMessages.StartupAction_label); // // startupActionCombo = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY); // startupActionCombo // .setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); // startupActionCombo.add(WorkbenchMessages.StartupAction_OpenDialog); // startupActionCombo.add(WorkbenchMessages.StartupAction_BlankMap); // startupActionCombo.add(WorkbenchMessages.StartupAction_HomeMap); // startupActionCombo.add(WorkbenchMessages.StartupAction_LastSession); // startupActionCombo.addListener(SWT.Selection, this); // } // private void addHomeMapField(Composite parent) { // Composite line = new Composite(parent, SWT.NONE); // line.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); // GridLayout layout = new GridLayout(2, false); // layout.marginHeight = 0; // layout.marginWidth = 0; // line.setLayout(layout); // fillHomeMapFields(line); // } // private void fillHomeMapFields(Composite parent) { // Composite container = createFieldContainer(parent, true); // addField(homeMapField = new SoftCheckFileFieldEditor( // PrefConstants.HOME_MAP_LOCATION, // WorkbenchMessages.HomeMap_label, container)); // homeMapControl = homeMapField.getTextControl(container); // homeMapField.setErrorMessage(WorkbenchMessages.HomeMap_NotFound_error); // String xmindExt = "*" + MindMapUI.FILE_EXT_XMIND; //$NON-NLS-1$ // homeMapField.setExtensions(new String[] { xmindExt }); // homeMapField.setExtensionNames(new String[] { NLS.bind("{0} ({1})", //$NON-NLS-1$ // DialogMessages.WorkbookFilterName, xmindExt) }); // } private void addCheckUpdatesField(Composite parent) { addField(new BooleanFieldEditor(CathyPlugin.CHECK_UPDATES_ON_STARTUP, WorkbenchMessages.CheckUpdates_label, createFieldContainer(parent, true))); } private void addRecentFileCountField() { Composite container = getFieldEditorParent(); addField(recentFilesField = new IntegerFieldEditor(IPreferenceConstants.RECENT_FILES, WorkbenchMessages.RecentFiles_label, container)); recentFilesControl = recentFilesField.getTextControl(container); } // private void addRememberLastSessionField() { // addField(new BooleanFieldEditor(CathyPlugin.RESTORE_LAST_SESSION, // WorkbenchMessages.RestoreLastSession_label, // getFieldEditorParent())); // } // // private void addCheckUpdatesField() { // addField(new BooleanFieldEditor(CathyPlugin.CHECK_UPDATES_ON_STARTUP, // WorkbenchMessages.CheckUpdates_label, getFieldEditorParent())); // } private void addAutoSaveGroup() { String message = WorkbenchMessages.AutoSave_label2; int index = message.indexOf("{0}"); //$NON-NLS-1$ int cols = 3; String label1, label2; if (index >= 0) { label1 = message.substring(0, index); label2 = message.substring(index + 3); if ("".equals(label2)) { //$NON-NLS-1$ label2 = null; cols--; } } else { label1 = message; label2 = null; cols--; if ("".equals(label1)) {//$NON-NLS-1$ label1 = null; cols--; } } Composite parent = getFieldEditorParent(); GridLayout gridLayout = new GridLayout(cols, false); gridLayout.marginWidth = 0; gridLayout.marginHeight = 0; gridLayout.verticalSpacing = 0; gridLayout.horizontalSpacing = 0; parent.setLayout(gridLayout); // parent.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, true)); // ((GridData) composite.getLayoutData()).horizontalIndent = 10; Composite booleanParent = new Composite(parent, SWT.NONE); booleanParent.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, true)); addField(new BooleanFieldEditor(CathyPlugin.AUTO_SAVE_ENABLED, label1, booleanParent)); autoSaveIntervalsInput = new Text(parent, SWT.SINGLE | SWT.BORDER | SWT.CENTER); autoSaveIntervalsInput.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, true)); ((GridData) autoSaveIntervalsInput.getLayoutData()).widthHint = 40; autoSaveIntervalsInput.setEnabled(getPreferenceStore().getBoolean(CathyPlugin.AUTO_SAVE_ENABLED)); if (label2 != null) { Label label = new Label(parent, SWT.NONE); label.setText(label2); label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, true)); } } // private void addAutoSaveGroup() { // Composite parent = getFieldEditorParent(); // GridLayout gridLayout = new GridLayout(2, false); // gridLayout.marginWidth = 0; // gridLayout.marginHeight = 0; // gridLayout.verticalSpacing = 0; // gridLayout.horizontalSpacing = 0; // parent.setLayout(gridLayout); // //// PreferenceLinkArea link = new PreferenceLinkArea(parent, //// SWT.NONE, //// "org.xmind.ui.BackupPrefPage", //$NON-NLS-1$ //// "See <a>''{0}''</a> for auto saving and backup options.", //// (IWorkbenchPreferenceContainer) getContainer(), null); //// link.getControl().setLayoutData( //// new GridData(SWT.FILL, SWT.FILL, true, false)); // // // addField(new BooleanFieldEditor(CathyPlugin.AUTO_SAVE_ENABLED, // WorkbenchMessages.AutoSave_label, createFieldContainer(parent, // false))); // // autoSaveIntervalsParent = createFieldContainer(parent, true); // // addField(autoSaveIntervalsField = new IntegerFieldEditor( // CathyPlugin.AUTO_SAVE_INTERVALS, "", //$NON-NLS-1$ // autoSaveIntervalsParent)); // // autoSaveIntervalsField.setEnabled( // getPreferenceStore().getBoolean(CathyPlugin.AUTO_SAVE_ENABLED), // autoSaveIntervalsParent); // // Label label = new Label(parent, SWT.NONE); // label.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, // false)); // label.setText(WorkbenchMessages.AutoSave_Minutes); // // } private void addAutoBackupGroup() { Composite parent = getFieldEditorParent(); GridLayout gridLayout = new GridLayout(1, false); gridLayout.marginWidth = 0; gridLayout.marginHeight = 0; gridLayout.verticalSpacing = 0; gridLayout.horizontalSpacing = 0; parent.setLayout(gridLayout); addField(autoBackupField = new BooleanFieldEditor(PrefConstants.AUTO_BACKUP_ENABLE, WorkbenchMessages.AutoBackup_label, createFieldContainer(parent, true))); } private void addSendUsageDataGroup() { Composite composite = getFieldEditorParent(); GridLayout gridLayout = new GridLayout(2, false); gridLayout.marginWidth = 0; gridLayout.marginHeight = 0; gridLayout.verticalSpacing = 0; gridLayout.horizontalSpacing = 5; composite.setLayout(gridLayout); Composite composite2 = new Composite(composite, SWT.NONE); composite2.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false)); GridLayout gridLayout2 = new GridLayout(1, false); gridLayout.marginWidth = 0; gridLayout.marginHeight = 0; gridLayout.verticalSpacing = 0; gridLayout.horizontalSpacing = 0; composite2.setLayout(gridLayout2); addField(new BooleanFieldEditor(CathyPlugin.USAGE_DATA_UPLOADING_ENABLED, WorkbenchMessages.GeneralPrefPage_usageData_text, composite2)); // Hyperlink privacyHyperlink = new Hyperlink(composite, SWT.NONE); privacyHyperlink.setBackground(composite.getBackground()); privacyHyperlink.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false)); privacyHyperlink.setText(WorkbenchMessages.GeneralPrefPage_seePolicy_link); privacyHyperlink.setUnderlined(true); privacyHyperlink.setForeground((Color) resources.get(ColorUtils.toDescriptor("#77afe0"))); //$NON-NLS-1$ privacyHyperlink.addHyperlinkListener(new HyperlinkAdapter() { public void linkActivated(HyperlinkEvent e) { Program.launch("http://www.xmind.net/privacy/usage/"); //$NON-NLS-1$ } }); if (CathyPlugin.getDefault().isDebugging("/debug/udc/showUploadButton")) { //$NON-NLS-1$ Button uploadButton = new Button(composite, SWT.PUSH); GridData layoutData = new GridData(SWT.BEGINNING, SWT.CENTER, false, false); layoutData.horizontalSpan = 2; layoutData.horizontalIndent = 10; layoutData.minimumWidth = 100; uploadButton.setLayoutData(layoutData); uploadButton.setBackground(composite.getBackground()); uploadButton.setText("Upload Now"); //$NON-NLS-1$ uploadButton.addListener(SWT.Selection, new Listener() { public void handleEvent(Event event) { IUsageDataSampler sampler = CathyPlugin.getDefault().getUsageDataCollector(); if (sampler instanceof IUsageDataUploader) { ((IUsageDataUploader) sampler).forceUpload(); } } }); } } private Composite createFieldContainer(Composite parent, boolean grabHorizontal) { Composite composite = new Composite(parent, SWT.NONE); composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, grabHorizontal, true)); composite.setLayout(new GridLayout(1, false)); return composite; } private Composite createGroup(String groupTitle) { Composite parent = getFieldEditorParent(); GridLayout gridLayout = new GridLayout(1, false); gridLayout.marginWidth = 0; gridLayout.marginHeight = 0; gridLayout.verticalSpacing = 0; gridLayout.horizontalSpacing = 0; parent.setLayout(gridLayout); Group group = new Group(parent, SWT.NONE); group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); group.setLayout(new GridLayout(1, false)); group.setText(groupTitle); return group; } @Override protected void initialize() { super.initialize(); int startupAction = getPreferenceStore().getInt(CathyPlugin.STARTUP_ACTION); startupActionButton.setSelection(startupAction == CathyPlugin.STARTUP_ACTION_LAST); // startupActionCombo.select(startupAction); // homeMapField.setPreferenceStore( // MindMapUIPlugin.getDefault().getPreferenceStore()); // homeMapField.setEmptyStringAllowed( // startupAction != CathyPlugin.STARTUP_ACTION_HOME); // homeMapField.load(); recentFilesField.setPreferenceStore(WorkbenchPlugin.getDefault().getPreferenceStore()); recentFilesField.load(); autoSaveIntervalsInput .setText(String.valueOf(getPreferenceStore().getInt(CathyPlugin.AUTO_SAVE_INTERVALS))); autoBackupField.setPreferenceStore(MindMapUIPlugin.getDefault().getPreferenceStore()); autoBackupField.load(); } public void init(IWorkbench workbench) { } @Override public boolean performOk() { if (!super.performOk()) return false; if (startupActionButton.getSelection()) { getPreferenceStore().setValue(CathyPlugin.STARTUP_ACTION, CathyPlugin.STARTUP_ACTION_LAST); } else { getPreferenceStore().setValue(CathyPlugin.STARTUP_ACTION, CathyPlugin.STARTUP_ACTION_WIZARD); } int autoSaveIntervals = NumberUtils.safeParseInt(autoSaveIntervalsInput.getText(), 0); getPreferenceStore().setValue(CathyPlugin.AUTO_SAVE_INTERVALS, autoSaveIntervals); MindMapUIPlugin.getDefault().getPreferenceStore().setValue(PrefConstants.AUTO_BACKUP_ENABLE, autoBackup); return true; } public void propertyChange(PropertyChangeEvent event) { super.propertyChange(event); if (event.getSource() instanceof FieldEditor) { FieldEditor fe = (FieldEditor) event.getSource(); if (event.getProperty().equals(FieldEditor.VALUE)) { String prefName = fe.getPreferenceName(); if (CathyPlugin.AUTO_SAVE_ENABLED.equals(prefName)) { autoSaveIntervalsInput.setEnabled(((Boolean) event.getNewValue()).booleanValue()); // autoSaveIntervalsField.setEnabled( // (Boolean) event.getNewValue(), // autoSaveIntervalsParent); } else if (PrefConstants.AUTO_BACKUP_ENABLE.equals(prefName)) { autoBackup = ((Boolean) event.getNewValue()).booleanValue(); } } } } public void handleEvent(Event event) { // if (event.widget == startupActionCombo) { // int startupAction = startupActionCombo.getSelectionIndex(); // homeMapField.setEmptyStringAllowed( // startupAction != CathyPlugin.STARTUP_ACTION_HOME); // checkState(); // } } }