use internal help browser

plugins/com.minres.scviewer.e4.application/Application.e4xmi

@@ -121,7 +121,7 @@
     <bindings xmi:id="_95Pfv3NmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.keybinding.quit" keySequence="M1+Q" command="_95PfvHNmEeWBq8z1Dv39LA">
       <tags>type:user</tags>
     </bindings>
-    <bindings xmi:id="_2-008EhnEeyp3vLifEzGbQ" elementId="com.minres.scviewer.e4.application.keybinding.help" keySequence="F1" command="_lqjIYEYEEeyPM8G0E2EYww"/>
+    <bindings xmi:id="_2-008EhnEeyp3vLifEzGbQ" elementId="com.minres.scviewer.e4.application.keybinding.help" keySequence="F1" command="_RdUMoHCOEeyub8CfGE1sGA"/>
   </bindingTables>
   <bindingTables xmi:id="_XullMGVOEeqSQM-A6dw9ig" elementId="com.minres.scviewer.e4.application.bindingtable.window" bindingContext="_95PfunNmEeWBq8z1Dv39LA">
     <bindings xmi:id="_95PfwnNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.keybinding.load" keySequence="M1+L" command="_7-AIMJebEeW09eyIbHsdvg">
@@ -253,6 +253,9 @@
   <snippets xsi:type="basic:Window" xmi:id="_R8mJUEhwEeyp3vLifEzGbQ" elementId="com.minres.scviewer.e4.application.window.web_help" selectedElement="_R8mJUUhwEeyp3vLifEzGbQ" label="SCViewer Web Help" width="800" height="600">
     <children xsi:type="basic:Part" xmi:id="_R8mJUUhwEeyp3vLifEzGbQ" elementId="com.minres.scviewer.e4.application.part.container" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.help.HelpBrowser"/>
   </snippets>
+  <snippets xsi:type="basic:Window" xmi:id="_cg-28HClEeyNn6bZ9_VasA" elementId="com.minres.scviewer.e4.application.window.help_content" selectedElement="_cg-28XClEeyNn6bZ9_VasA" label="SCViewer Help Content" width="800" height="600">
+    <children xsi:type="basic:Part" xmi:id="_cg-28XClEeyNn6bZ9_VasA" elementId="com.minres.scviewer.e4.application.part.container" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.help.HelpBrowser"/>
+  </snippets>
   <commands xmi:id="_95PfvHNmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.file.exit" commandName="Quit Command"/>
   <commands xmi:id="_95PfwHNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.open" commandName="Open Command"/>
   <commands xmi:id="_95Pfw3NmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.file.save" commandName="Save Command"/>

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java

@@ -83,16 +83,14 @@ public class Messages extends NLS {
 	public static String cursor;
 	public static String cursor_drag;
 	public static String cursor_text;
+	public static String HelpBrowser_0;
+	public static String HelpBrowser_1;
+	public static String HelpBrowser_2;
+	public static String HelpBrowser_3;
+	public static String HelpBrowser_4;
+	public static String HelpBrowser_5;
 	public static String HelpBrowser_7;
 	public static String HelpBrowser_8;
-	public static String HelpDialog_0;
-	public static String HelpDialog_1;
-	public static String HelpDialog_2;
-	public static String HelpDialog_3;
-	public static String HelpDialog_4;
-	public static String HelpDialog_5;
-	public static String HelpDialog_6;
-	public static String HelpDialog_7;
 	public static String marker;
 	public static String marker_text;
 	public static String rel_arrow;

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/HelpContentsHandler.java

@@ -1,15 +1,34 @@
 package com.minres.scviewer.e4.application.handlers;
+import org.eclipse.e4.core.contexts.IEclipseContext;
+import org.eclipse.e4.core.di.annotations.CanExecute;
 import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.ui.model.application.MApplication;
+import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
+import org.eclipse.e4.ui.workbench.modeling.EModelService;
 import org.eclipse.help.internal.base.BaseHelpSystem;
 import org.eclipse.help.internal.server.WebappManager;
 
 public class HelpContentsHandler {
-    @Execute
+
-    public void execute() throws Exception {
+	static final String WINDOW_ID="com.minres.scviewer.e4.application.window.help_content"; //$NON-NLS-1$
+
+	@CanExecute
+	public boolean canExecute(MApplication app) {
+		return !app.getChildren().stream().filter(e -> e.getElementId().equals(WINDOW_ID)).findFirst().isPresent();
+	}
+	
+	@Execute
+	public void execute(MApplication app, EModelService modelService /*@Named("mdialog01.dialog.0") MDialog dialog*/) {
         BaseHelpSystem.ensureWebappRunning();
         String helpURL = "http://" //$NON-NLS-1$
                 + WebappManager.getHost() + ":" //$NON-NLS-1$
                 + WebappManager.getPort() + "/help/index.jsp"; //$NON-NLS-1$
-        BaseHelpSystem.getHelpBrowser(false).displayURL(helpURL);
+        // BaseHelpSystem.getHelpBrowser(false).displayURL(helpURL);
-    }
+		MWindow newWin = (MWindow)modelService.cloneSnippet(app, WINDOW_ID, null);
+		final IEclipseContext ctx=app.getContext();
+		if(ctx.containsKey("help_url"))
+			ctx.remove("help_url");
+		ctx.modify("help_url", helpURL);
+		app.getChildren().add(newWin);
+	}
 }

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/HelpHandler.java

@@ -10,6 +10,7 @@
  *******************************************************************************/
 package com.minres.scviewer.e4.application.handlers;
 
+import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.core.di.annotations.CanExecute;
 import org.eclipse.e4.core.di.annotations.Execute;
 import org.eclipse.e4.ui.model.application.MApplication;
@@ -19,15 +20,19 @@ import org.eclipse.e4.ui.workbench.modeling.EModelService;
 public class HelpHandler {
 
 	static final String WINDOW_ID="com.minres.scviewer.e4.application.window.web_help"; //$NON-NLS-1$
+
 	@CanExecute
 	public boolean canExecute(MApplication app) {
 		return !app.getChildren().stream().filter(e -> e.getElementId().equals(WINDOW_ID)).findFirst().isPresent();
 	}
 	
 	@Execute
-	public void execute(MApplication app, MWindow window, EModelService modelService /*@Named("mdialog01.dialog.0") MDialog dialog*/) {
+	public void execute(MApplication app, EModelService modelService /*@Named("mdialog01.dialog.0") MDialog dialog*/) {
 		MWindow newWin = (MWindow)modelService.cloneSnippet(app, WINDOW_ID, null);
+		final IEclipseContext ctx=app.getContext();
+		if(ctx.containsKey("help_url"))
+			ctx.remove("help_url");
+		ctx.modify("help_url", "https://minres.github.io/SCViewer/#key-shortcuts");
 		app.getChildren().add(newWin);
 	}
-
 }

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties

@@ -77,16 +77,14 @@ signal_nan=Signal NaN Value
 cursor=Cursor
 cursor_drag=dragged Cursor
 cursor_text=Cursor Text
+HelpBrowser_0=Back
+HelpBrowser_1=Forward
+HelpBrowser_2=Stop
+HelpBrowser_3=Refresh
+HelpBrowser_4=Go
+HelpBrowser_5=Address
 HelpBrowser_7=Error initializing help browser
 HelpBrowser_8=An error occurred while initializing the help browser: 
-HelpDialog_0=Back
-HelpDialog_1=Forward
-HelpDialog_2=Stop
-HelpDialog_3=Refresh
-HelpDialog_4=Go
-HelpDialog_5=Address
-HelpDialog_6=https://minres.github.io/SCViewer/#key-shortcuts
-HelpDialog_7=Could not instantiate Browser: 
 marker=Marker
 marker_text=Marker TExt
 rel_arrow=Relation arrow

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/HelpDialog.java

@@ -1,177 +0,0 @@
-package com.minres.scviewer.e4.application.parts;
-
-import javax.annotation.PostConstruct;
-import javax.inject.Inject;
-
-import org.eclipse.jface.dialogs.Dialog;
-import org.eclipse.jface.dialogs.IDialogConstants;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.SWTError;
-import org.eclipse.swt.browser.Browser;
-import org.eclipse.swt.browser.LocationListener;
-import org.eclipse.swt.browser.ProgressEvent;
-import org.eclipse.swt.browser.ProgressListener;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.Listener;
-import org.eclipse.swt.widgets.ProgressBar;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.Text;
-import org.eclipse.swt.widgets.ToolBar;
-import org.eclipse.swt.widgets.ToolItem;
-
-import com.minres.scviewer.e4.application.Messages;
-
-public class HelpDialog extends Dialog {
-	/**
-	 * Create the dialog.
-	 *
-	 * @param parentShell the parent shell
-	 */
-	@Inject
-	public HelpDialog(Shell parentShell) {
-		super(parentShell);
-		setShellStyle(getShellStyle() | SWT.MODELESS | SWT.MAX | SWT.BORDER | SWT.TITLE);
-		setBlockOnOpen(false);
-	}
-
-	@Override
-	protected boolean isResizable() {
-		return true;
-	}
-
-	@Override
-	protected Point getInitialSize() {
-		return new Point(800, 600);
-	}
-
-	/**
-	 * Create contents of the dialog.
-	 *
-	 * @param parent the parent
-	 * @return the control
-	 */
-	@Override
-	protected Control createDialogArea(Composite parent) {
-		Composite container = (Composite) super.createDialogArea(parent);
-		GridLayout gridLayout = new GridLayout();
-		gridLayout.numColumns = 3;
-		container.setLayout(gridLayout);
-		ToolBar toolbar = new ToolBar(container, SWT.NONE);
-		ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
-		itemBack.setText(Messages.HelpDialog_0);
-		ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
-		itemForward.setText(Messages.HelpDialog_1);
-		ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
-		itemStop.setText(Messages.HelpDialog_2);
-		ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
-		itemRefresh.setText(Messages.HelpDialog_3);
-		ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
-		itemGo.setText(Messages.HelpDialog_4);
-
-		GridData data = new GridData();
-		data.horizontalSpan = 3;
-		toolbar.setLayoutData(data);
-
-		Label labelAddress = new Label(container, SWT.NONE);
-		labelAddress.setText(Messages.HelpDialog_5);
-
-		final Text location = new Text(container, SWT.BORDER);
-		data = new GridData();
-		data.horizontalAlignment = GridData.FILL;
-		data.horizontalSpan = 2;
-		data.grabExcessHorizontalSpace = true;
-		location.setLayoutData(data);
-
-		final Browser browser;
-		try {
-			browser = new Browser(container, SWT.NONE);
-			data = new GridData();
-			//			data.widthHint = 800;
-			//			data.heightHint =600;
-			data.horizontalAlignment = GridData.FILL;
-			data.verticalAlignment = GridData.FILL;
-			data.horizontalSpan = 3;
-			data.grabExcessHorizontalSpace = true;
-			data.grabExcessVerticalSpace = true;
-			browser.setLayoutData(data);
-
-			final Label status = new Label(container, SWT.NONE);
-			data = new GridData(GridData.FILL_HORIZONTAL);
-			data.horizontalSpan = 2;
-			status.setLayoutData(data);
-
-			final ProgressBar progressBar = new ProgressBar(container, SWT.NONE);
-			data = new GridData();
-			data.horizontalAlignment = GridData.END;
-			progressBar.setLayoutData(data);
-
-			/* event handling */
-			Listener listener = event -> {
-				ToolItem item = (ToolItem) event.widget;
-				String string = item.getText();
-				if (string.equals(Messages.HelpDialog_0))
-					browser.back();
-				else if (string.equals(Messages.HelpDialog_1))
-					browser.forward();
-				else if (string.equals(Messages.HelpDialog_2))
-					browser.stop();
-				else if (string.equals(Messages.HelpDialog_3))
-					browser.refresh();
-				else if (string.equals(Messages.HelpDialog_4))
-					browser.setUrl(location.getText());
-			};
-			browser.addProgressListener(new ProgressListener() {
-				@Override
-				public void changed(ProgressEvent event) {
-					if (event.total == 0) return;
-					int ratio = event.current * 100 / event.total;
-					progressBar.setSelection(ratio);
-				}
-				@Override
-				public void completed(ProgressEvent event) {
-					progressBar.setSelection(0);
-				}
-			});
-			browser.addStatusTextListener(event -> status.setText(event.text));
-			browser.addLocationListener(LocationListener.changedAdapter(event -> {
-				if (event.top) location.setText(event.location);
-			}
-					));
-			itemBack.addListener(SWT.Selection, listener);
-			itemForward.addListener(SWT.Selection, listener);
-			itemStop.addListener(SWT.Selection, listener);
-			itemRefresh.addListener(SWT.Selection, listener);
-			itemGo.addListener(SWT.Selection, listener);
-			location.addListener(SWT.DefaultSelection, e -> browser.setUrl(location.getText()));
-
-			browser.setUrl(Messages.HelpDialog_6);
-		} catch (SWTError e) {
-			System.out.println(Messages.HelpDialog_7 + e.getMessage());
-		}
-		return container;
-	}
-	/* (non-Javadoc)
-	 * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
-	 */
-	@Override
-	protected void createButtonsForButtonBar(Composite parent) {
-		// create OK button
-		createButton(parent, IDialogConstants.OK_ID, IDialogConstants.CLOSE_LABEL,	true);
-	}
-
-	/**
-	 * Open the dialog.
-	 * @return the result
-	 */
-	@PostConstruct
-	@Override
-	public int open() {
-		return super.open();
-	}
-
-}

plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/help/HelpBrowser.java

@@ -4,6 +4,7 @@ import java.io.File;
 
 import javax.annotation.PostConstruct;
 import javax.inject.Inject;
+import javax.inject.Named;
 
 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.ui.model.application.ui.MUIElement;
@@ -48,32 +49,28 @@ public class HelpBrowser {
 	}
 
 	@PostConstruct
-	protected Control createComposite(Composite container) {
+	protected Control createComposite(Composite container, @Named("help_url") String helpUrl) {
-//		container.getShell().addListener(SWT.Close, e -> {
-//			e.doit= false;
-//			element.setVisible(false);
-//		});
 		GridLayout gridLayout = new GridLayout();
 		gridLayout.numColumns = 3;
 		container.setLayout(gridLayout);
 		ToolBar toolbar = new ToolBar(container, SWT.NONE);
 		ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
-		decorateItem(itemBack, Messages.HelpDialog_0, "arrow_undo.png"); //$NON-NLS-1$
+		decorateItem(itemBack, Messages.HelpBrowser_0, "arrow_undo.png"); //$NON-NLS-1$
 		ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
-		decorateItem(itemForward, Messages.HelpDialog_1, "arrow_redo.png"); //$NON-NLS-1$
+		decorateItem(itemForward, Messages.HelpBrowser_1, "arrow_redo.png"); //$NON-NLS-1$
 		ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
-		decorateItem(itemStop, Messages.HelpDialog_2, "cross.png"); //$NON-NLS-1$
+		decorateItem(itemStop, Messages.HelpBrowser_2, "cross.png"); //$NON-NLS-1$
 		ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
-		decorateItem(itemRefresh, Messages.HelpDialog_3, "arrow_refresh.png"); //$NON-NLS-1$
+		decorateItem(itemRefresh, Messages.HelpBrowser_3, "arrow_refresh.png"); //$NON-NLS-1$
 		ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
-		decorateItem(itemGo, Messages.HelpDialog_4, "accept.png"); //$NON-NLS-1$
+		decorateItem(itemGo, Messages.HelpBrowser_4, "accept.png"); //$NON-NLS-1$
 
 		GridData data = new GridData();
 		data.horizontalSpan = 3;
 		toolbar.setLayoutData(data);
 
 		Label labelAddress = new Label(container, SWT.NONE);
-		labelAddress.setText(Messages.HelpDialog_5);
+		labelAddress.setText(Messages.HelpBrowser_5);
 
 		final Text location = new Text(container, SWT.BORDER);
 		data = new GridData();
@@ -81,10 +78,8 @@ public class HelpBrowser {
 		data.horizontalSpan = 2;
 		data.grabExcessHorizontalSpace = true;
 		location.setLayoutData(data);
-
-		final Browser browser;
 		try {
-			browser = new Browser(container, SWT.NONE);
+			final Browser browser = new Browser(container, SWT.NONE);
 			data = new GridData();
 			//			data.widthHint = 800;
 			//			data.heightHint =600;
@@ -109,15 +104,15 @@ public class HelpBrowser {
 			Listener listener = event -> {
 				ToolItem item = (ToolItem) event.widget;
 				String string = (String) item.getData();
-				if (string.equals(Messages.HelpDialog_0))
+				if (string.equals(Messages.HelpBrowser_0))
 					browser.back();
-				else if (string.equals(Messages.HelpDialog_1))
+				else if (string.equals(Messages.HelpBrowser_1))
 					browser.forward();
-				else if (string.equals(Messages.HelpDialog_2))
+				else if (string.equals(Messages.HelpBrowser_2))
 					browser.stop();
-				else if (string.equals(Messages.HelpDialog_3))
+				else if (string.equals(Messages.HelpBrowser_3))
 					browser.refresh();
-				else if (string.equals(Messages.HelpDialog_4))
+				else if (string.equals(Messages.HelpBrowser_4))
 					browser.setUrl(location.getText());
 			};
 			browser.addProgressListener(new ProgressListener() {
@@ -140,14 +135,10 @@ public class HelpBrowser {
 			itemRefresh.addListener(SWT.Selection, listener);
 			itemGo.addListener(SWT.Selection, listener);
 			location.addListener(SWT.DefaultSelection, e -> browser.setUrl(location.getText()));
-			browser.setUrl(Messages.HelpDialog_6);
+			browser.setUrl(helpUrl);
 		} catch (SWTError e) {
 			MessageDialog.openWarning(container.getDisplay().getActiveShell(), Messages.HelpBrowser_7,Messages.HelpBrowser_8+e.getMessage());
 		}
 		return container;
 	}
-	
-	void handleShellCloseEvent(){
-		
-	}
 }