root / tmp / org.txm.libs.javafx / swt / JFXBrowserViewer.java @ 3154
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package snippet; |
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import java.beans.PropertyChangeEvent; |
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import java.beans.PropertyChangeListener; |
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import java.io.File; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.eclipse.core.runtime.IProgressMonitor; |
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import org.eclipse.jface.action.IStatusLineManager; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.SWTError; |
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import org.eclipse.swt.SWTException; |
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import org.eclipse.swt.browser.Browser; |
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import org.eclipse.swt.browser.LocationAdapter; |
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import org.eclipse.swt.browser.LocationEvent; |
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import org.eclipse.swt.browser.LocationListener; |
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import org.eclipse.swt.browser.ProgressEvent; |
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import org.eclipse.swt.browser.ProgressListener; |
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import org.eclipse.swt.browser.VisibilityWindowAdapter; |
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import org.eclipse.swt.browser.WindowEvent; |
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import org.eclipse.swt.dnd.Clipboard; |
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import org.eclipse.swt.events.MouseAdapter; |
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import org.eclipse.swt.events.MouseEvent; |
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import org.eclipse.swt.events.SelectionListener; |
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import org.eclipse.swt.layout.FillLayout; |
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import org.eclipse.swt.layout.GridData; |
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import org.eclipse.swt.layout.GridLayout; |
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import org.eclipse.swt.widgets.Combo; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Display; |
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import org.eclipse.swt.widgets.Shell; |
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import org.eclipse.swt.widgets.ToolBar; |
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import org.eclipse.swt.widgets.ToolItem; |
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import org.eclipse.ui.PlatformUI; |
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import org.eclipse.ui.internal.browser.BusyIndicator; |
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import org.eclipse.ui.internal.browser.ContextIds; |
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import org.eclipse.ui.internal.browser.IBrowserViewerContainer; |
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import org.eclipse.ui.internal.browser.ImageResource; |
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import org.eclipse.ui.internal.browser.ToolbarLayout; |
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import org.eclipse.ui.internal.browser.Trace; |
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import org.eclipse.ui.internal.browser.WebBrowserPreference; |
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import org.eclipse.ui.internal.browser.WebBrowserUtil; |
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import org.txm.rcp.commands.OpenLocalizedWebPage; |
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import org.txm.rcp.swt.JFXBrowser; |
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/**
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* A Web browser widget. It extends the Eclipse SWT Browser widget by adding an
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* optional toolbar complete with a URL combo box, history, back & forward, and
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* refresh buttons.
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* <p>
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* Use the style bits to choose which toolbars are available within the browser
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* composite. You can access the embedded SWT Browser directly using the
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* getBrowser() method.
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* </p>
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* <p>
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* Additional capabilities are available when used as the internal Web browser,
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* including status text and progress on the Eclipse window's status line, or
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* moving the toolbar capabilities up into the main toolbar.
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* </p>
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* <dl>
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* <dt><b>Styles:</b></dt>
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* <dd>LOCATION_BAR, BUTTON_BAR</dd>
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* <dt><b>Events:</b></dt>
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* <dd>None</dd>
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* </dl>
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*
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* @since 1.0
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*/
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public class JFXBrowserViewer extends Composite { |
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/**
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* Style parameter (value 1) indicating that the URL and Go button will be
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* on the local toolbar.
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*/
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public static final int LOCATION_BAR = 1 << 1; |
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/**
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* Style parameter (value 2) indicating that the toolbar will be available
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* on the web browser. This style parameter cannot be used without the
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* LOCATION_BAR style.
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*/
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public static final int BUTTON_BAR = 1 << 2; |
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protected static final String PROPERTY_TITLE = "title"; //$NON-NLS-1$ |
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private static final int MAX_HISTORY = 50; |
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public Clipboard clipboard; |
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public Combo combo;
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protected boolean showToolbar; |
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protected boolean showURLbar; |
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protected ToolItem back;
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protected ToolItem forward;
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protected BusyIndicator busy;
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protected boolean loading; |
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protected static java.util.List<String> history; |
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protected JFXBrowser browser;
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protected JFXBrowserText text;
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protected boolean newWindow; |
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protected IBrowserViewerContainer container;
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protected String title; |
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protected int progressWorked = 0; |
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protected List<PropertyChangeListener> propertyListeners; |
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/**
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* Under development - do not use
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*/
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public static interface ILocationListener { |
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public void locationChanged(String url); |
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public void historyChanged(String[] history2); |
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} |
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public ILocationListener locationListener;
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/**
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* Under development - do not use
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*/
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public static interface IBackNextListener { |
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public void updateBackNextBusy(); |
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} |
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public IBackNextListener backNextListener;
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/**
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* Creates a new Web browser given its parent and a style value describing
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* its behavior and appearance.
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* <p>
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* The style value is either one of the style constants defined in the class
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* header or class <code>SWT</code> which is applicable to instances of
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* this class, or must be built by <em>bitwise OR</em>'ing together (that
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* is, using the <code>int</code> "|" operator) two or more of those
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* <code>SWT</code> style constants. The class description lists the style
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* constants that are applicable to the class. Style bits are also inherited
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* from superclasses.
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* </p>
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*
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* @param parent
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* a composite control which will be the parent of the new
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* instance (cannot be null)
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* @param style
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* the style of control to construct
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*/
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public JFXBrowserViewer(Composite parent, int style) { |
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super(parent, SWT.NONE);
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if ((style & LOCATION_BAR) != 0) |
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showURLbar = true;
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if ((style & BUTTON_BAR) != 0) |
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showToolbar = true;
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GridLayout layout = new GridLayout(); |
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layout.marginHeight = 0;
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layout.marginWidth = 0;
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layout.horizontalSpacing = 0;
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layout.verticalSpacing = 0;
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layout.numColumns = 1;
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setLayout(layout); |
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setLayoutData(new GridData(GridData.FILL_BOTH));
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clipboard = new Clipboard(parent.getDisplay()); |
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if (showToolbar || showURLbar) {
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Composite toolbarComp = new Composite(this, SWT.NONE); |
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toolbarComp.setLayout(new ToolbarLayout());
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toolbarComp.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING | GridData.FILL_HORIZONTAL));
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if (showToolbar)
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createToolbar(toolbarComp); |
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if (showURLbar)
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createLocationBar(toolbarComp); |
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if (showToolbar | showURLbar) {
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busy = new BusyIndicator(toolbarComp, SWT.NONE);
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busy.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
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busy.addMouseListener(new MouseAdapter() { |
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@Override
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public void mouseDown(MouseEvent e) { |
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setURL(OpenLocalizedWebPage.URL_TEXTOMETRIE); |
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} |
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}); |
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} |
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PlatformUI.getWorkbench().getHelpSystem().setHelp(this, ContextIds.WEB_BROWSER);
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} |
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// create a new SWT Web browser widget, checking once again to make sure
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// we can use it in this environment
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// if (WebBrowserUtil.canUseInternalWebBrowser())
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try {
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this.browser = new JFXBrowser(this, SWT.NONE); |
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} |
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catch (SWTError e) {
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if (e.code != SWT.ERROR_NO_HANDLES) {
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WebBrowserUtil.openError(org.eclipse.ui.internal.browser.Messages.errorCouldNotLaunchInternalWebBrowser); |
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return;
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} |
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text = new JFXBrowserText(this, this, e); |
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} |
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if (showURLbar)
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updateHistory(); |
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if (showToolbar)
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updateBackNextBusy(); |
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if (browser != null) { |
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browser.setLayoutData(new GridData(GridData.FILL_BOTH));
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PlatformUI.getWorkbench().getHelpSystem().setHelp(browser, |
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ContextIds.WEB_BROWSER); |
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} |
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else
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text.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
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addBrowserListeners(); |
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// listen();
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} |
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/**
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* Returns the underlying SWT browser widget.
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*
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* @return the underlying browser
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*/
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public JFXBrowser getBrowser() {
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return browser;
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} |
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/**
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* Navigate to the home URL.
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*/
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public void home() { |
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System.out.println("JFXBrowserViewer.home()"); |
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// browser.getWebView().setH.set.setText(""); //$NON-NLS-1$
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} |
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/**
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* Loads a URL.
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*
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* @param url
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* the URL to be loaded
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* @return true if the operation was successful and false otherwise.
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* @exception IllegalArgumentException
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* <ul>
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* <li>ERROR_NULL_ARGUMENT - if the url is null</li>
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* </ul>
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* @exception SWTException
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* <ul>
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* <li>ERROR_THREAD_INVALID_ACCESS when called from the
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* wrong thread</li>
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* <li>ERROR_WIDGET_DISPOSED when the widget has been
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* disposed</li>
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* </ul>
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* @see #getURL()
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*/
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public void setURL(String url) { |
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setURL(url, true);
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} |
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protected void updateBackNextBusy() { |
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if (!back.isDisposed()) {
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back.setEnabled(isBackEnabled()); |
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} |
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if (!forward.isDisposed()) {
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forward.setEnabled(isForwardEnabled()); |
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} |
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if (!busy.isDisposed()) {
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busy.setBusy(loading); |
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} |
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if (backNextListener != null) |
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backNextListener.updateBackNextBusy(); |
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} |
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protected void updateLocation() { |
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if (locationListener != null) |
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locationListener.historyChanged(null);
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|
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if (locationListener != null) |
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locationListener.locationChanged(null);
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} |
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/**
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*
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*/
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private void addBrowserListeners() { |
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if (browser == null) return; |
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// respond to ExternalBrowserInstance StatusTextEvents events by
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// updating the status line
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browser.addStatusTextListener(event -> {
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// System.out.println("status: " + event.text); //$NON-NLS-1$
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if (container != null) { |
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IStatusLineManager status = container.getActionBars().getStatusLineManager(); |
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status.setMessage(event.text); |
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} |
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}); |
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// Add listener for new window creation so that we can instead of
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// opening a separate
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// new window in which the session is lost, we can instead open a new
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// window in a new
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// shell within the browser area thereby maintaining the session.
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browser.addOpenWindowListener(event -> {
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Shell shell2 = new Shell(getShell(), SWT.SHELL_TRIM);
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shell2.setLayout(new FillLayout());
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shell2.setText(org.eclipse.ui.internal.browser.Messages.viewWebBrowserTitle); |
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shell2.setImage(getShell().getImage()); |
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if (event.location != null) |
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shell2.setLocation(event.location); |
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if (event.size != null) |
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shell2.setSize(event.size); |
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int style = 0; |
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if (showURLbar)
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style += LOCATION_BAR; |
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if (showToolbar)
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style += BUTTON_BAR; |
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JFXBrowserViewer browser2 = new JFXBrowserViewer(shell2, style);
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browser2.newWindow = true;
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event.browser = null; // TODO should be browser2 |
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}); |
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browser.addVisibilityWindowListener(new VisibilityWindowAdapter() {
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|
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@Override
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public void show(WindowEvent e) { |
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Browser browser2 = (Browser) e.widget; |
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if (browser2.getParent().getParent() instanceof Shell) { |
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Shell shell = (Shell) browser2.getParent().getParent(); |
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if (e.location != null) |
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shell.setLocation(e.location); |
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if (e.size != null) |
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shell.setSize(shell.computeSize(e.size.x, e.size.y)); |
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shell.open(); |
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} |
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} |
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}); |
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browser.addCloseWindowListener(event -> {
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// if shell is not null, it must be a secondary popup window,
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// else its an editor window
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if (newWindow)
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getShell().dispose(); |
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else
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container.close(); |
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}); |
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browser.addProgressListener(new ProgressListener() {
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@Override
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public void changed(ProgressEvent event) { |
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// System.out.println("progress: " + event.current + ", " + event.total); //$NON-NLS-1$ //$NON-NLS-2$
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if (event.total == 0) |
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return;
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boolean done = (event.current == event.total);
|
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|
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int percentProgress = event.current * 100 / event.total; |
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if (container != null) { |
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IProgressMonitor monitor = container.getActionBars() |
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.getStatusLineManager().getProgressMonitor(); |
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if (done) {
|
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monitor.done(); |
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progressWorked = 0;
|
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} |
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else if (progressWorked == 0) { |
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monitor.beginTask("", event.total); //$NON-NLS-1$ |
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progressWorked = percentProgress; |
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} |
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else {
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monitor.worked(event.current - progressWorked); |
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progressWorked = event.current; |
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} |
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} |
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|
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if (showToolbar) {
|
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if (!busy.isBusy() && !done)
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loading = true;
|
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else if (busy.isBusy() && done) // once the progress hits |
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// 100 percent, done, set
|
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// busy to false
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loading = false;
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|
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// System.out.println("loading: " + loading); //$NON-NLS-1$
|
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updateBackNextBusy(); |
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updateHistory(); |
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} |
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} |
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|
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@Override
|
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public void completed(ProgressEvent event) { |
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if (container != null) { |
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IProgressMonitor monitor = container.getActionBars() |
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.getStatusLineManager().getProgressMonitor(); |
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monitor.done(); |
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} |
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if (showToolbar) {
|
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loading = false;
|
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updateBackNextBusy(); |
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updateHistory(); |
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} |
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} |
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}); |
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|
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if (showURLbar) {
|
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browser.addLocationListener(new LocationAdapter() {
|
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|
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@Override
|
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public void changed(LocationEvent event) { |
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if (!event.top)
|
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return;
|
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if (combo != null) { |
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if (!"about:blank".equals(event.location)) { //$NON-NLS-1$ |
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combo.setText(event.location); |
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addToHistory(event.location); |
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updateHistory(); |
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}// else
|
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// combo.setText(""); //$NON-NLS-1$
|
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} |
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} |
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}); |
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} |
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|
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browser.addTitleListener(event -> {
|
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String oldTitle = title;
|
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title = event.title; |
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firePropertyChangeEvent(PROPERTY_TITLE, oldTitle, title); |
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}); |
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} |
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|
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/**
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* Add a property change listener to this instance.
|
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*
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* @param listener java.beans.PropertyChangeListener
|
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*/
|
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public void addPropertyChangeListener(PropertyChangeListener listener) { |
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if (propertyListeners == null) |
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propertyListeners = new ArrayList<>(); |
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propertyListeners.add(listener); |
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} |
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|
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/**
|
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* Remove a property change listener from this instance.
|
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*
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* @param listener java.beans.PropertyChangeListener
|
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*/
|
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public void removePropertyChangeListener(PropertyChangeListener listener) { |
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if (propertyListeners != null) |
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propertyListeners.remove(listener); |
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} |
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|
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/**
|
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* Fire a property change event.
|
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*/
|
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protected void firePropertyChangeEvent(String propertyName, Object oldValue, Object newValue) { |
| 472 |
if (propertyListeners == null) |
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return;
|
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|
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PropertyChangeEvent event = new PropertyChangeEvent(this, propertyName, oldValue, newValue); |
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// Trace.trace("Firing: " + event + " " + oldValue);
|
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try {
|
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int size = propertyListeners.size();
|
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PropertyChangeListener[] pcl = new PropertyChangeListener[size]; |
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propertyListeners.toArray(pcl); |
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|
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for (int i = 0; i < size; i++) |
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try {
|
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pcl[i].propertyChange(event); |
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} |
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catch (Exception e) { |
| 487 |
// ignore
|
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} |
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} |
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catch (Exception e) { |
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// ignore
|
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} |
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} |
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|
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/**
|
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* Navigate to the next session history item. Convenience method that calls
|
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* the underlying SWT browser.
|
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*
|
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* @return <code>true</code> if the operation was successful and
|
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* <code>false</code> otherwise
|
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* @exception SWTException
|
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* <ul>
|
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* <li>ERROR_THREAD_INVALID_ACCESS when called from the
|
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* wrong thread</li>
|
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* <li>ERROR_WIDGET_DISPOSED when the widget has been
|
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* disposed</li>
|
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* </ul>
|
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* @see #back
|
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*/
|
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public boolean forward() { |
| 511 |
if (browser == null) |
| 512 |
return false; |
| 513 |
return browser.forward();
|
| 514 |
} |
| 515 |
|
| 516 |
/**
|
| 517 |
* Navigate to the previous session history item. Convenience method that
|
| 518 |
* calls the underlying SWT browser.
|
| 519 |
*
|
| 520 |
* @return <code>true</code> if the operation was successful and
|
| 521 |
* <code>false</code> otherwise
|
| 522 |
* @exception SWTException
|
| 523 |
* <ul>
|
| 524 |
* <li>ERROR_THREAD_INVALID_ACCESS when called from the
|
| 525 |
* wrong thread</li>
|
| 526 |
* <li>ERROR_WIDGET_DISPOSED when the widget has been
|
| 527 |
* disposed</li>
|
| 528 |
* </ul>
|
| 529 |
* @see #forward
|
| 530 |
*/
|
| 531 |
public boolean back() { |
| 532 |
if (browser == null) |
| 533 |
return false; |
| 534 |
return browser.back();
|
| 535 |
} |
| 536 |
|
| 537 |
/**
|
| 538 |
* Returns <code>true</code> if the receiver can navigate to the previous
|
| 539 |
* session history item, and <code>false</code> otherwise. Convenience
|
| 540 |
* method that calls the underlying SWT browser.
|
| 541 |
*
|
| 542 |
* @return the receiver's back command enabled state
|
| 543 |
* @exception SWTException
|
| 544 |
* <ul>
|
| 545 |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been
|
| 546 |
* disposed</li>
|
| 547 |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the
|
| 548 |
* thread that created the receiver</li>
|
| 549 |
* </ul>
|
| 550 |
* @see #back
|
| 551 |
*/
|
| 552 |
public boolean isBackEnabled() { |
| 553 |
if (browser == null) |
| 554 |
return false; |
| 555 |
return browser.isBackEnabled();
|
| 556 |
} |
| 557 |
|
| 558 |
/**
|
| 559 |
* Returns <code>true</code> if the receiver can navigate to the next
|
| 560 |
* session history item, and <code>false</code> otherwise. Convenience
|
| 561 |
* method that calls the underlying SWT browser.
|
| 562 |
*
|
| 563 |
* @return the receiver's forward command enabled state
|
| 564 |
* @exception SWTException
|
| 565 |
* <ul>
|
| 566 |
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been
|
| 567 |
* disposed</li>
|
| 568 |
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the
|
| 569 |
* thread that created the receiver</li>
|
| 570 |
* </ul>
|
| 571 |
* @see #forward
|
| 572 |
*/
|
| 573 |
public boolean isForwardEnabled() { |
| 574 |
if (browser == null) |
| 575 |
return false; |
| 576 |
return browser.isForwardEnabled();
|
| 577 |
} |
| 578 |
|
| 579 |
/**
|
| 580 |
* Stop any loading and rendering activity. Convenience method that calls
|
| 581 |
* the underlying SWT browser.
|
| 582 |
*
|
| 583 |
* @exception SWTException
|
| 584 |
* <ul>
|
| 585 |
* <li>ERROR_THREAD_INVALID_ACCESS when called from the
|
| 586 |
* wrong thread</li>
|
| 587 |
* <li>ERROR_WIDGET_DISPOSED when the widget has been
|
| 588 |
* disposed</li>
|
| 589 |
* </ul>
|
| 590 |
*/
|
| 591 |
public void stop() { |
| 592 |
if (browser != null) |
| 593 |
browser.stop(); |
| 594 |
} |
| 595 |
|
| 596 |
/**
|
| 597 |
*
|
| 598 |
*/
|
| 599 |
private boolean navigate(String url) { |
| 600 |
Trace.trace(Trace.FINER, "Navigate: " + url); //$NON-NLS-1$ |
| 601 |
if (url != null && url.equals(getURL())) { |
| 602 |
refresh(); |
| 603 |
return true; |
| 604 |
} |
| 605 |
if (browser != null) |
| 606 |
return browser.setUrl(url, null, new String[] { "Cache-Control: no-cache" }); //$NON-NLS-1$ |
| 607 |
return text.setUrl(url);
|
| 608 |
} |
| 609 |
|
| 610 |
/**
|
| 611 |
* Refresh the current page. Convenience method that calls the underlying
|
| 612 |
* SWT browser.
|
| 613 |
*
|
| 614 |
* @exception SWTException
|
| 615 |
* <ul>
|
| 616 |
* <li>ERROR_THREAD_INVALID_ACCESS when called from the
|
| 617 |
* wrong thread</li>
|
| 618 |
* <li>ERROR_WIDGET_DISPOSED when the widget has been
|
| 619 |
* disposed</li>
|
| 620 |
* </ul>
|
| 621 |
*/
|
| 622 |
public void refresh() { |
| 623 |
if (browser != null) |
| 624 |
browser.refresh(); |
| 625 |
else
|
| 626 |
text.refresh(); |
| 627 |
try {
|
| 628 |
Thread.sleep(50); |
| 629 |
} |
| 630 |
catch (Exception e) { |
| 631 |
// ignore
|
| 632 |
} |
| 633 |
} |
| 634 |
|
| 635 |
private void setURL(String url, boolean browse) { |
| 636 |
Trace.trace(Trace.FINEST, "setURL: " + url + " " + browse); //$NON-NLS-1$ //$NON-NLS-2$ |
| 637 |
if (url == null) { |
| 638 |
home(); |
| 639 |
return;
|
| 640 |
} |
| 641 |
|
| 642 |
if (browse)
|
| 643 |
navigate(url); |
| 644 |
|
| 645 |
addToHistory(url); |
| 646 |
updateHistory(); |
| 647 |
} |
| 648 |
|
| 649 |
protected void addToHistory(String url) { |
| 650 |
if (history == null) |
| 651 |
history = WebBrowserPreference.getInternalWebBrowserHistory(); |
| 652 |
int found = -1; |
| 653 |
int size = history.size();
|
| 654 |
for (int i = 0; i < size; i++) { |
| 655 |
String s = history.get(i);
|
| 656 |
if (s.equals(url)) {
|
| 657 |
found = i; |
| 658 |
break;
|
| 659 |
} |
| 660 |
} |
| 661 |
|
| 662 |
if (found == -1) { |
| 663 |
if (size >= MAX_HISTORY)
|
| 664 |
history.remove(size - 1);
|
| 665 |
history.add(0, url);
|
| 666 |
WebBrowserPreference.setInternalWebBrowserHistory(history); |
| 667 |
} |
| 668 |
else if (found != 0) { |
| 669 |
history.remove(found); |
| 670 |
history.add(0, url);
|
| 671 |
WebBrowserPreference.setInternalWebBrowserHistory(history); |
| 672 |
} |
| 673 |
} |
| 674 |
|
| 675 |
/**
|
| 676 |
*
|
| 677 |
*/
|
| 678 |
@Override
|
| 679 |
public void dispose() { |
| 680 |
super.dispose();
|
| 681 |
|
| 682 |
showToolbar = false;
|
| 683 |
|
| 684 |
if (busy != null) |
| 685 |
busy.dispose(); |
| 686 |
busy = null;
|
| 687 |
|
| 688 |
browser = null;
|
| 689 |
text = null;
|
| 690 |
if (clipboard != null) |
| 691 |
clipboard.dispose(); |
| 692 |
clipboard = null;
|
| 693 |
|
| 694 |
removeSynchronizationListener(); |
| 695 |
} |
| 696 |
|
| 697 |
private ToolBar createLocationBar(Composite parent) { |
| 698 |
combo = new Combo(parent, SWT.DROP_DOWN);
|
| 699 |
|
| 700 |
updateHistory(); |
| 701 |
|
| 702 |
combo.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
|
| 703 |
try {
|
| 704 |
if (combo.getSelectionIndex() != -1 && !combo.getListVisible()) { |
| 705 |
setURL(combo.getItem(combo.getSelectionIndex())); |
| 706 |
} |
| 707 |
} |
| 708 |
catch (Exception e1) { |
| 709 |
// ignore
|
| 710 |
} |
| 711 |
})); |
| 712 |
combo.addListener(SWT.DefaultSelection, e -> setURL(combo.getText())); |
| 713 |
|
| 714 |
ToolBar toolbar = new ToolBar(parent, SWT.FLAT);
|
| 715 |
|
| 716 |
ToolItem go = new ToolItem(toolbar, SWT.NONE);
|
| 717 |
go.setImage(ImageResource.getImage(ImageResource.IMG_ELCL_NAV_GO)); |
| 718 |
go.setHotImage(ImageResource.getImage(ImageResource.IMG_CLCL_NAV_GO)); |
| 719 |
go.setDisabledImage(ImageResource |
| 720 |
.getImage(ImageResource.IMG_DLCL_NAV_GO)); |
| 721 |
go.setToolTipText(org.eclipse.ui.internal.browser.Messages.actionWebBrowserGo); |
| 722 |
go.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> setURL(combo.getText()))); |
| 723 |
|
| 724 |
return toolbar;
|
| 725 |
} |
| 726 |
|
| 727 |
private ToolBar createToolbar(Composite parent) { |
| 728 |
ToolBar toolbar = new ToolBar(parent, SWT.FLAT);
|
| 729 |
|
| 730 |
// create back and forward actions
|
| 731 |
back = new ToolItem(toolbar, SWT.NONE);
|
| 732 |
back.setImage(ImageResource |
| 733 |
.getImage(ImageResource.IMG_ELCL_NAV_BACKWARD)); |
| 734 |
back.setHotImage(ImageResource |
| 735 |
.getImage(ImageResource.IMG_CLCL_NAV_BACKWARD)); |
| 736 |
back.setDisabledImage(ImageResource |
| 737 |
.getImage(ImageResource.IMG_DLCL_NAV_BACKWARD)); |
| 738 |
back.setToolTipText(org.eclipse.ui.internal.browser.Messages.actionWebBrowserBack); |
| 739 |
back.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> back())); |
| 740 |
|
| 741 |
forward = new ToolItem(toolbar, SWT.NONE);
|
| 742 |
forward.setImage(ImageResource |
| 743 |
.getImage(ImageResource.IMG_ELCL_NAV_FORWARD)); |
| 744 |
forward.setHotImage(ImageResource |
| 745 |
.getImage(ImageResource.IMG_CLCL_NAV_FORWARD)); |
| 746 |
forward.setDisabledImage(ImageResource |
| 747 |
.getImage(ImageResource.IMG_DLCL_NAV_FORWARD)); |
| 748 |
forward.setToolTipText(org.eclipse.ui.internal.browser.Messages.actionWebBrowserForward); |
| 749 |
forward.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> forward())); |
| 750 |
|
| 751 |
// create refresh, stop, and print actions
|
| 752 |
ToolItem stop = new ToolItem(toolbar, SWT.NONE);
|
| 753 |
stop.setImage(ImageResource.getImage(ImageResource.IMG_ELCL_NAV_STOP)); |
| 754 |
stop.setHotImage(ImageResource |
| 755 |
.getImage(ImageResource.IMG_CLCL_NAV_STOP)); |
| 756 |
stop.setDisabledImage(ImageResource |
| 757 |
.getImage(ImageResource.IMG_DLCL_NAV_STOP)); |
| 758 |
stop.setToolTipText(org.eclipse.ui.internal.browser.Messages.actionWebBrowserStop); |
| 759 |
stop.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> stop())); |
| 760 |
|
| 761 |
ToolItem refresh = new ToolItem(toolbar, SWT.NONE);
|
| 762 |
refresh.setImage(ImageResource |
| 763 |
.getImage(ImageResource.IMG_ELCL_NAV_REFRESH)); |
| 764 |
refresh.setHotImage(ImageResource |
| 765 |
.getImage(ImageResource.IMG_CLCL_NAV_REFRESH)); |
| 766 |
refresh.setDisabledImage(ImageResource |
| 767 |
.getImage(ImageResource.IMG_DLCL_NAV_REFRESH)); |
| 768 |
refresh.setToolTipText(org.eclipse.ui.internal.browser.Messages.actionWebBrowserRefresh); |
| 769 |
refresh.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> refresh())); |
| 770 |
|
| 771 |
return toolbar;
|
| 772 |
} |
| 773 |
|
| 774 |
/**
|
| 775 |
* Returns the current URL. Convenience method that calls the underlying SWT
|
| 776 |
* browser.
|
| 777 |
*
|
| 778 |
* @return the current URL or an empty <code>String</code> if there is no
|
| 779 |
* current URL
|
| 780 |
* @exception SWTException
|
| 781 |
* <ul>
|
| 782 |
* <li>ERROR_THREAD_INVALID_ACCESS when called from the
|
| 783 |
* wrong thread</li>
|
| 784 |
* <li>ERROR_WIDGET_DISPOSED when the widget has been
|
| 785 |
* disposed</li>
|
| 786 |
* </ul>
|
| 787 |
* @see #setURL(String)
|
| 788 |
*/
|
| 789 |
public String getURL() { |
| 790 |
if (browser != null) |
| 791 |
return browser.getUrl();
|
| 792 |
return text.getUrl();
|
| 793 |
} |
| 794 |
|
| 795 |
@Override
|
| 796 |
public boolean setFocus() { |
| 797 |
if (browser != null) { |
| 798 |
browser.setFocus(); |
| 799 |
updateHistory(); |
| 800 |
return true; |
| 801 |
} |
| 802 |
return super.setFocus(); |
| 803 |
} |
| 804 |
|
| 805 |
/**
|
| 806 |
* Update the history list to the global/shared copy.
|
| 807 |
*/
|
| 808 |
protected void updateHistory() { |
| 809 |
if (combo == null || combo.isDisposed()) |
| 810 |
return;
|
| 811 |
|
| 812 |
String temp = combo.getText();
|
| 813 |
if (history == null) |
| 814 |
history = WebBrowserPreference.getInternalWebBrowserHistory(); |
| 815 |
|
| 816 |
String[] historyList = new String[history.size()]; |
| 817 |
history.toArray(historyList); |
| 818 |
combo.setItems(historyList); |
| 819 |
|
| 820 |
combo.setText(temp); |
| 821 |
} |
| 822 |
|
| 823 |
public IBrowserViewerContainer getContainer() {
|
| 824 |
return container;
|
| 825 |
} |
| 826 |
|
| 827 |
public void setContainer(IBrowserViewerContainer container) { |
| 828 |
if (container == null && this.container != null) { |
| 829 |
IStatusLineManager manager = this.container.getActionBars().getStatusLineManager();
|
| 830 |
if (manager != null) |
| 831 |
manager.getProgressMonitor().done(); |
| 832 |
} |
| 833 |
this.container = container;
|
| 834 |
} |
| 835 |
|
| 836 |
protected File file; |
| 837 |
|
| 838 |
protected long timestamp; |
| 839 |
|
| 840 |
protected Thread fileListenerThread; |
| 841 |
|
| 842 |
protected LocationListener locationListener2;
|
| 843 |
|
| 844 |
protected Object syncObject = new Object(); |
| 845 |
|
| 846 |
protected void addSynchronizationListener() { |
| 847 |
if (fileListenerThread != null) |
| 848 |
return;
|
| 849 |
|
| 850 |
fileListenerThread = new Thread("Browser file synchronization") { //$NON-NLS-1$ |
| 851 |
|
| 852 |
@Override
|
| 853 |
public void run() { |
| 854 |
while (fileListenerThread != null) { |
| 855 |
try {
|
| 856 |
Thread.sleep(2000); |
| 857 |
} |
| 858 |
catch (Exception e) { |
| 859 |
// ignore
|
| 860 |
} |
| 861 |
synchronized (syncObject) {
|
| 862 |
if (file != null && file.lastModified() != timestamp) { |
| 863 |
timestamp = file.lastModified(); |
| 864 |
Display.getDefault().syncExec(() -> refresh()); |
| 865 |
} |
| 866 |
} |
| 867 |
} |
| 868 |
} |
| 869 |
}; |
| 870 |
fileListenerThread.setDaemon(true);
|
| 871 |
fileListenerThread.setPriority(Thread.MIN_PRIORITY);
|
| 872 |
|
| 873 |
locationListener2 = new LocationAdapter() {
|
| 874 |
|
| 875 |
@Override
|
| 876 |
public void changed(LocationEvent event) { |
| 877 |
File temp = getFile(event.location);
|
| 878 |
if (temp != null && temp.exists()) { |
| 879 |
synchronized (syncObject) {
|
| 880 |
file = temp; |
| 881 |
timestamp = file.lastModified(); |
| 882 |
} |
| 883 |
} |
| 884 |
else
|
| 885 |
file = null;
|
| 886 |
} |
| 887 |
}; |
| 888 |
browser.addLocationListener(locationListener2); |
| 889 |
|
| 890 |
File temp = getFile(browser.getUrl());
|
| 891 |
if (temp != null && temp.exists()) { |
| 892 |
file = temp; |
| 893 |
timestamp = file.lastModified(); |
| 894 |
} |
| 895 |
fileListenerThread.start(); |
| 896 |
} |
| 897 |
|
| 898 |
protected static File getFile(String location) { |
| 899 |
if (location == null) |
| 900 |
return null; |
| 901 |
if (location.startsWith("file:/")) //$NON-NLS-1$ |
| 902 |
location = location.substring(6);
|
| 903 |
|
| 904 |
return new File(location); |
| 905 |
} |
| 906 |
|
| 907 |
protected void removeSynchronizationListener() { |
| 908 |
if (fileListenerThread == null) |
| 909 |
return;
|
| 910 |
|
| 911 |
fileListenerThread = null;
|
| 912 |
browser.removeLocationListener(locationListener2); |
| 913 |
locationListener2 = null;
|
| 914 |
} |
| 915 |
} |