Java tutorial
/* ********************************************************************** ** ** Copyright notice ** ** ** ** (c) 2005-2009 RSSOwl Development Team ** ** http://www.rssowl.org/ ** ** ** ** 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.rssowl.org/legal/epl-v10.html ** ** ** ** A copy is found in the file epl-v10.html and important notices to the ** ** license from the team is found in the textfile LICENSE.txt distributed ** ** in this package. ** ** ** ** This copyright notice MUST APPEAR in all copies of the file! ** ** ** ** Contributors: ** ** RSSOwl Development Team - initial API and implementation ** ** ** ** ********************************************************************** */ package org.rssowl.ui.internal.dialogs.preferences; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.fieldassist.ControlDecoration; import org.eclipse.jface.fieldassist.FieldDecorationRegistry; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.resource.LocalResourceManager; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.FileDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.rssowl.core.Owl; import org.rssowl.core.internal.persist.pref.DefaultPreferences; import org.rssowl.core.persist.pref.IPreferenceScope; import org.rssowl.core.util.StringUtils; import org.rssowl.ui.internal.Application; import org.rssowl.ui.internal.OwlUI; import org.rssowl.ui.internal.dialogs.WebsiteListDialog; import org.rssowl.ui.internal.util.CBrowser; import org.rssowl.ui.internal.util.EditorUtils; import org.rssowl.ui.internal.util.LayoutUtils; /** * @author bpasero */ public class BrowserPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { /** ID of the Page */ public static String ID = "org.rssowl.ui.BrowserPreferencesPage"; //$NON-NLS-1$ private IPreferenceScope fGlobalScope; private Text fCustomBrowserInput; private Button fUseCustomExternalBrowser; private Button fUseDefaultExternalBrowser; private Button fUseInternalBrowser; private Button fCustomBrowserSearchButton; private Button fReOpenBrowserTabs; private Button fOpenLinksInNewTab; private Button fLoadBrowserTabInBackground; private Button fAlwaysReuseBrowser; private Button fEnablePopupBlockerCheck; private Button fDisableJavaScriptCheck; private Button fDisableJavaScriptExceptionsButton; private IPreferenceScope fEclipseScope; private LocalResourceManager fResources = new LocalResourceManager(JFaceResources.getResources()); /** Leave for reflection */ public BrowserPreferencePage() { fGlobalScope = Owl.getPreferenceService().getGlobalScope(); fEclipseScope = Owl.getPreferenceService().getEclipseScope(); setImageDescriptor(OwlUI.getImageDescriptor("icons/elcl16/browser.gif")); //$NON-NLS-1$ } /* * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ public void init(IWorkbench workbench) { } /* * @see org.eclipse.jface.preference.PreferencePage#createControl(org.eclipse.swt.widgets.Composite) */ @Override public void createControl(Composite parent) { super.createControl(parent); updateApplyEnablement(false); } /* * @see org.eclipse.jface.dialogs.DialogPage#dispose() */ @Override public void dispose() { super.dispose(); fResources.dispose(); } /* * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { Composite container = createComposite(parent); /* Browser Options */ createBrowserOptions(container); applyDialogFont(container); return container; } private void createBrowserOptions(Composite container) { Composite browserGroup = new Composite(container, SWT.None); browserGroup.setLayout(LayoutUtils.createGridLayout(1, 0, 0)); browserGroup.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); /* Tabbed Browsing */ { Label label = new Label(browserGroup, SWT.NONE); label.setText(Messages.BrowserPreferencePage_BROWSER_SELECTION); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite group = new Composite(browserGroup, SWT.None); group.setLayout(LayoutUtils.createGridLayout(2, 7, 3)); ((GridLayout) group.getLayout()).marginBottom = 5; group.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); /* Use internal Browser */ fUseInternalBrowser = new Button(group, SWT.RADIO); fUseInternalBrowser.setText(Messages.BrowserPreferencePage_USE_EMBEDDED_BROWSER); fUseInternalBrowser.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false, 2, 1)); fUseInternalBrowser.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { updateEnablement(); } }); /* Use default external Browser */ fUseDefaultExternalBrowser = new Button(group, SWT.RADIO); String name = getDefaultBrowserName(); if (StringUtils.isSet(name)) fUseDefaultExternalBrowser .setText(NLS.bind(Messages.BrowserPreferencePage_USE_STANDARD_BROWSER_N, name)); else fUseDefaultExternalBrowser.setText(Messages.BrowserPreferencePage_USE_STANDARD_BROWSER); fUseDefaultExternalBrowser.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false, 2, 1)); fUseDefaultExternalBrowser .setSelection(fGlobalScope.getBoolean(DefaultPreferences.USE_DEFAULT_EXTERNAL_BROWSER)); /* Use custom external Browser */ fUseCustomExternalBrowser = new Button(group, SWT.RADIO); fUseCustomExternalBrowser.setText(Messages.BrowserPreferencePage_USE_EXTERNAL_BROWSER); fUseCustomExternalBrowser.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false, 2, 1)); fUseCustomExternalBrowser .setSelection(fGlobalScope.getBoolean(DefaultPreferences.USE_CUSTOM_EXTERNAL_BROWSER)); fUseCustomExternalBrowser.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fCustomBrowserInput.setEnabled(fUseCustomExternalBrowser.getSelection()); fCustomBrowserSearchButton.setEnabled(fUseCustomExternalBrowser.getSelection()); } }); fUseInternalBrowser.setSelection( !fUseDefaultExternalBrowser.getSelection() && !fUseCustomExternalBrowser.getSelection()); fCustomBrowserInput = new Text(group, SWT.BORDER); OwlUI.makeAccessible(fCustomBrowserInput, fUseCustomExternalBrowser); fCustomBrowserInput.setEnabled(fUseCustomExternalBrowser.getSelection()); fCustomBrowserInput.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true)); ControlDecoration controlDeco = new ControlDecoration(fCustomBrowserInput, SWT.LEFT | SWT.TOP); controlDeco.setImage(FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_INFORMATION).getImage()); controlDeco.setDescriptionText(Messages.BrowserPreferencePage_BROWSER_PARAMETER_SUPPORT); controlDeco.setShowOnlyOnFocus(true); String customBrowserValue = fGlobalScope.getString(DefaultPreferences.CUSTOM_BROWSER_PATH); if (customBrowserValue != null) fCustomBrowserInput.setText(customBrowserValue); fCustomBrowserSearchButton = new Button(group, SWT.PUSH); fCustomBrowserSearchButton.setText(Messages.BrowserPreferencePage_BROWSE); Dialog.applyDialogFont(fCustomBrowserSearchButton); setButtonLayoutData(fCustomBrowserSearchButton); fCustomBrowserSearchButton.setEnabled(fUseCustomExternalBrowser.getSelection()); fCustomBrowserSearchButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { FileDialog dialog = new FileDialog(getShell(), SWT.OPEN); dialog.setFileName(fCustomBrowserInput.getText()); String path = dialog.open(); if (path != null) fCustomBrowserInput.setText(path); } }); } /* Tabbed Browsing */ { Label label = new Label(browserGroup, SWT.NONE); label.setText(Messages.BrowserPreferencePage_TABBED_BROWSING); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite group = new Composite(browserGroup, SWT.None); group.setLayout(LayoutUtils.createGridLayout(1, 7, 3)); ((GridLayout) group.getLayout()).marginBottom = 5; group.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); fOpenLinksInNewTab = new Button(group, SWT.CHECK); fOpenLinksInNewTab.setText(Messages.BrowserPreferencePage_OPEN_LINKS_IN_TABS); fOpenLinksInNewTab.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false)); fOpenLinksInNewTab.setSelection(fGlobalScope.getBoolean(DefaultPreferences.OPEN_LINKS_IN_NEW_TAB)); fReOpenBrowserTabs = new Button(group, SWT.CHECK); fReOpenBrowserTabs.setText(Messages.BrowserPreferencePage_REOPEN_WEBSITE); fReOpenBrowserTabs.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false)); fReOpenBrowserTabs.setSelection(fGlobalScope.getBoolean(DefaultPreferences.REOPEN_BROWSER_TABS)); fLoadBrowserTabInBackground = new Button(group, SWT.CHECK); fLoadBrowserTabInBackground.setText(Messages.BrowserPreferencePage_OPEN_IN_BACKGROUND); fLoadBrowserTabInBackground.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false)); fLoadBrowserTabInBackground .setSelection(fGlobalScope.getBoolean(DefaultPreferences.OPEN_BROWSER_IN_BACKGROUND)); fAlwaysReuseBrowser = new Button(group, SWT.CHECK); fAlwaysReuseBrowser.setText(Messages.BrowserPreferencePage_OPEN_IN_SAME_TAB); fAlwaysReuseBrowser.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false, 2, 1)); fAlwaysReuseBrowser.setSelection(fGlobalScope.getBoolean(DefaultPreferences.ALWAYS_REUSE_BROWSER)); } /* Disable JavaScript in Browser / Popup Blocker */ if (!Application.IS_WINDOWS || !CBrowser.isMozillaRunningOnWindows()) { Label label = new Label(browserGroup, SWT.NONE); label.setText(Messages.BrowserPreferencePage_CONTENT); label.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); /* Group */ Composite group = new Composite(browserGroup, SWT.None); group.setLayout(LayoutUtils.createGridLayout(2, 7, 3)); group.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false)); if (Application.IS_WINDOWS) { fEnablePopupBlockerCheck = new Button(group, SWT.CHECK); fEnablePopupBlockerCheck.setText(Messages.BrowserPreferencePage_BLOCK_POPUPS); fEnablePopupBlockerCheck.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false, 2, 1)); fEnablePopupBlockerCheck .setSelection(fGlobalScope.getBoolean(DefaultPreferences.ENABLE_IE_POPUP_BLOCKER)); } Composite jsContainer = new Composite(group, SWT.NONE); jsContainer.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false, 2, 1)); jsContainer.setLayout(LayoutUtils.createGridLayout(2, 0, 0)); fDisableJavaScriptCheck = new Button(jsContainer, SWT.CHECK); fDisableJavaScriptCheck.setText(Messages.BrowserPreferencePage_DISABLE_JS); fDisableJavaScriptCheck.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, true)); fDisableJavaScriptCheck.setSelection(fGlobalScope.getBoolean(DefaultPreferences.DISABLE_JAVASCRIPT)); fDisableJavaScriptCheck.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { fDisableJavaScriptExceptionsButton.setEnabled(fDisableJavaScriptCheck.getSelection()); } }); fDisableJavaScriptExceptionsButton = new Button(jsContainer, SWT.PUSH); fDisableJavaScriptExceptionsButton.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, true)); fDisableJavaScriptExceptionsButton.setText(Messages.BrowserPreferencePage_EXCEPTIONS); Dialog.applyDialogFont(fDisableJavaScriptExceptionsButton); setButtonLayoutData(fDisableJavaScriptExceptionsButton); fDisableJavaScriptExceptionsButton.setEnabled(fDisableJavaScriptCheck.getSelection()); fDisableJavaScriptExceptionsButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { new WebsiteListDialog(getShell()).open(); } }); /* Info Container to Link to Internet Options */ if (Application.IS_WINDOWS) { Composite infoContainer = new Composite(group, SWT.None); infoContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1)); infoContainer.setLayout(LayoutUtils.createGridLayout(2, 0, 0)); ((GridLayout) infoContainer.getLayout()).marginTop = 5; Label infoImg = new Label(infoContainer, SWT.NONE); infoImg.setImage(OwlUI.getImage(fResources, "icons/obj16/info.gif")); //$NON-NLS-1$ infoImg.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); Link infoText = new Link(infoContainer, SWT.WRAP); infoText.setText(Messages.BrowserPreferencePage_INTERNET_OPTIONS); infoText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); infoText.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { Program.launch("inetcpl.cpl"); //$NON-NLS-1$ } }); } } updateEnablement(); /* Enable Apply Button on Selection Changes */ OwlUI.runOnSelection(new Runnable() { public void run() { updateApplyEnablement(true); } }, browserGroup); } private String getDefaultBrowserName() { Program program = Program.findProgram("html"); //$NON-NLS-1$ if (program != null) { String name = program.getName(); if (StringUtils.isSet(name)) { name = name.toLowerCase(); if (name.contains("firefox")) //$NON-NLS-1$ return "Mozilla Firefox"; //$NON-NLS-1$ if (name.contains("mozilla")) //$NON-NLS-1$ return "Mozilla"; //$NON-NLS-1$ if (name.contains("opera")) //$NON-NLS-1$ return "Opera"; //$NON-NLS-1$ if (name.contains("safari")) //$NON-NLS-1$ return "Safari"; //$NON-NLS-1$ if (name.contains("chrome")) //$NON-NLS-1$ return "Google Chrome"; //$NON-NLS-1$ if (name.equals("html document") && Application.IS_WINDOWS) //$NON-NLS-1$ return "Internet Explorer"; //$NON-NLS-1$ if (name.contains("internet explorer") && Application.IS_WINDOWS) //$NON-NLS-1$ return "Internet Explorer"; //$NON-NLS-1$ if (name.contains("netscape")) //$NON-NLS-1$ return "Netscape"; //$NON-NLS-1$ if (name.contains("konqueror")) //$NON-NLS-1$ return "Konqueror"; //$NON-NLS-1$ if (name.contains("camino")) //$NON-NLS-1$ return "Camino"; //$NON-NLS-1$ } } return null; } private Composite createComposite(Composite parent) { Composite composite = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); layout.marginWidth = 0; layout.marginHeight = 0; composite.setLayout(layout); composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL)); composite.setFont(parent.getFont()); return composite; } /* * @see org.eclipse.jface.preference.PreferencePage#performOk() */ @Override public boolean performOk() { fGlobalScope.putBoolean(DefaultPreferences.OPEN_LINKS_IN_NEW_TAB, fOpenLinksInNewTab.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.REOPEN_BROWSER_TABS, fReOpenBrowserTabs.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.ALWAYS_REUSE_BROWSER, fAlwaysReuseBrowser.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.OPEN_BROWSER_IN_BACKGROUND, fLoadBrowserTabInBackground.getSelection()); if (fDisableJavaScriptCheck != null) { fGlobalScope.putBoolean(DefaultPreferences.DISABLE_JAVASCRIPT, fDisableJavaScriptCheck.getSelection()); fDisableJavaScriptExceptionsButton.setEnabled(fDisableJavaScriptCheck.getSelection()); } if (fEnablePopupBlockerCheck != null) fGlobalScope.putBoolean(DefaultPreferences.ENABLE_IE_POPUP_BLOCKER, fEnablePopupBlockerCheck.getSelection()); boolean wasUseDefaultExternalBrowser = fGlobalScope .getBoolean(DefaultPreferences.USE_DEFAULT_EXTERNAL_BROWSER); boolean wasUseCustomExternalBrowser = fGlobalScope .getBoolean(DefaultPreferences.USE_CUSTOM_EXTERNAL_BROWSER); boolean updateForEmbeddedBrowser = (wasUseDefaultExternalBrowser != fUseDefaultExternalBrowser .getSelection()) || (wasUseCustomExternalBrowser != fUseCustomExternalBrowser.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.USE_DEFAULT_EXTERNAL_BROWSER, fUseDefaultExternalBrowser.getSelection()); fGlobalScope.putBoolean(DefaultPreferences.USE_CUSTOM_EXTERNAL_BROWSER, fUseCustomExternalBrowser.getSelection()); fGlobalScope.putString(DefaultPreferences.CUSTOM_BROWSER_PATH, fCustomBrowserInput.getText()); if (updateForEmbeddedBrowser) EditorUtils.updateToolbarVisibility(); return super.performOk(); } /* * @see org.eclipse.jface.preference.PreferencePage#performApply() */ @Override protected void performApply() { super.performApply(); updateApplyEnablement(false); } /* * @see org.eclipse.jface.preference.PreferencePage#performDefaults() */ @Override protected void performDefaults() { super.performDefaults(); IPreferenceScope defaultScope = Owl.getPreferenceService().getDefaultScope(); fOpenLinksInNewTab.setSelection(defaultScope.getBoolean(DefaultPreferences.OPEN_LINKS_IN_NEW_TAB)); fReOpenBrowserTabs.setSelection(defaultScope.getBoolean(DefaultPreferences.REOPEN_BROWSER_TABS)); fAlwaysReuseBrowser.setSelection(defaultScope.getBoolean(DefaultPreferences.ALWAYS_REUSE_BROWSER)); fLoadBrowserTabInBackground .setSelection(defaultScope.getBoolean(DefaultPreferences.OPEN_BROWSER_IN_BACKGROUND)); if (fDisableJavaScriptCheck != null) { fDisableJavaScriptCheck.setSelection(defaultScope.getBoolean(DefaultPreferences.DISABLE_JAVASCRIPT)); fDisableJavaScriptExceptionsButton.setEnabled(fDisableJavaScriptCheck.getSelection()); } if (fEnablePopupBlockerCheck != null) fEnablePopupBlockerCheck .setSelection(defaultScope.getBoolean(DefaultPreferences.ENABLE_IE_POPUP_BLOCKER)); fUseDefaultExternalBrowser .setSelection(defaultScope.getBoolean(DefaultPreferences.USE_DEFAULT_EXTERNAL_BROWSER)); fUseCustomExternalBrowser .setSelection(defaultScope.getBoolean(DefaultPreferences.USE_CUSTOM_EXTERNAL_BROWSER)); fUseInternalBrowser.setSelection( !fUseDefaultExternalBrowser.getSelection() && !fUseDefaultExternalBrowser.getSelection()); fCustomBrowserInput.setEnabled(fUseCustomExternalBrowser.getSelection()); fCustomBrowserSearchButton.setEnabled(fUseCustomExternalBrowser.getSelection()); updateEnablement(); updateApplyEnablement(true); } private void updateApplyEnablement(boolean enable) { Button applyButton = getApplyButton(); if (applyButton != null && !applyButton.isDisposed() && applyButton.isEnabled() != enable) applyButton.setEnabled(enable); } private void updateEnablement() { boolean autoCloseTab = fEclipseScope.getBoolean(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS); int autoCloseTabCount = fEclipseScope.getInteger(DefaultPreferences.ECLIPSE_AUTOCLOSE_TABS_THRESHOLD); boolean enable = fUseInternalBrowser.getSelection() && (!autoCloseTab || autoCloseTabCount > 1); fAlwaysReuseBrowser.setEnabled(enable); fLoadBrowserTabInBackground.setEnabled(enable); fReOpenBrowserTabs.setEnabled(enable); fOpenLinksInNewTab.setEnabled(enable); } /* * @see org.eclipse.jface.preference.PreferencePage#applyData(java.lang.Object) */ @Override public void applyData(Object data) { if (Boolean.TRUE.equals(data) && fDisableJavaScriptExceptionsButton != null && !fDisableJavaScriptExceptionsButton.isDisposed()) fDisableJavaScriptExceptionsButton.setFocus(); } }