add help dialog

plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/WaveformView.java

@@ -164,7 +164,7 @@ public class WaveformView implements IWaveformView {
 							setSelection(new StructuredSelection(res), (e.stateMask & SWT.CTRL) != 0, false);
 						} else
 							setSelection(new StructuredSelection(entry.getValue()), (e.stateMask & SWT.CTRL) != 0,
-									false);
+							false);
 					} else {
 						setSelection(new StructuredSelection(entry.getValue()), (e.stateMask & SWT.CTRL) != 0, false);
 					}
@@ -197,59 +197,64 @@ public class WaveformView implements IWaveformView {
 			down = false;
 			if (start == null)
 				return;
-			if ((e.stateMask & SWT.MODIFIER_MASK & ~SWT.SHIFT) != 0)
-				return; // don't react on modifier except shift
-			if (e.button == 1 && Math.abs(e.x - start.x) > 3) {
-				asyncUpdate(e.widget);
-				long startTime = waveformCanvas.getTimeForOffset(start.x);
-				long endTime = waveformCanvas.getTimeForOffset(end.x);
-				long targetTimeRange = endTime - startTime;
-				long currentTimeRange = waveformCanvas.getMaxVisibleTime() - waveformCanvas.getMinVisibleTime();
-				if (targetTimeRange == 0)
-					return;
-				long relation = currentTimeRange / targetTimeRange;
-				long i = 1;
-				int level = 0;
-				do {
-					if (relation < 0) {
-						if (-relation < i) {
-							break;
-						}
-						level--;
-						if (-relation < i * 3) {
-							break;
-						}
-						level--;
-					} else {
-						if (relation < i) {
-							break;
-						}
-						level++;
-						if (relation < i * 3) {
-							break;
-						}
-						level++;
-					}
-					i = i * 10;
-				} while (i < 10000);
-				if (i < 10000) {
-					int curLevel = waveformCanvas.getZoomLevel();
-					waveformCanvas.setZoomLevel(curLevel - level, (startTime + endTime) / 2);
-				}
-			} else if (e.button == 1 && ((e.stateMask & SWT.SHIFT) == 0)) {
-				// set cursor (button 1 and no shift)
-				if (Math.abs(e.x - start.x) < 3 && Math.abs(e.y - start.y) < 3) {
-					// first set cursor time
-					setCursorTime(snapOffsetToEvent(start));
-					// then set selection and reveal
-					setSelection(new StructuredSelection(initialSelected));
+			if ((e.stateMask & SWT.MODIFIER_MASK & ~(SWT.SHIFT | SWT.CTRL)) != 0)
+				return; // don't react on modifier except shift and control
+			boolean isCtrl = (e.stateMask & SWT.CTRL)!=0;
+			boolean isShift = (e.stateMask & SWT.SHIFT)!=0;
+			if (e.button == 1) {
+				if (Math.abs(e.x - start.x) > 3) { // was drag event
 					asyncUpdate(e.widget);
+					long startTime = waveformCanvas.getTimeForOffset(start.x);
+					long endTime = waveformCanvas.getTimeForOffset(end.x);
+					long targetTimeRange = endTime - startTime;
+					long currentTimeRange = waveformCanvas.getMaxVisibleTime() - waveformCanvas.getMinVisibleTime();
+					if (targetTimeRange == 0)
+						return;
+					long relation = currentTimeRange / targetTimeRange;
+					long i = 1;
+					int level = 0;
+					do {
+						if (relation < 0) {
+							if (-relation < i) {
+								break;
+							}
+							level--;
+							if (-relation < i * 3) {
+								break;
+							}
+							level--;
+						} else {
+							if (relation < i) {
+								break;
+							}
+							level++;
+							if (relation < i * 3) {
+								break;
+							}
+							level++;
+						}
+						i = i * 10;
+					} while (i < 10000);
+					if (i < 10000) {
+						int curLevel = waveformCanvas.getZoomLevel();
+						waveformCanvas.setZoomLevel(curLevel - level, (startTime + endTime) / 2);
+					}
+				} else if( isShift) { // set marker (button 1 and shift)
+					setMarkerTime(snapOffsetToEvent(start), selectedMarker);
+				} else if(isCtrl) {	// set cursor (button 1 and ctrl)
+					setCursorTime(snapOffsetToEvent(start));
+				} else { // set cursor (button 1 only)
+					if (Math.abs(e.y - start.y) < 3) {
+						// first set cursor time
+						setCursorTime(snapOffsetToEvent(start));
+						// then set selection and reveal
+						setSelection(new StructuredSelection(initialSelected));
+					}
 				}
-			} else if (e.button == 2 || (e.button == 1 && (e.stateMask & SWT.SHIFT) != 0)) {
-				// set marker (button 1 and shift)
+			} else if (e.button == 2) { // set marker (button 2)
 				setMarkerTime(snapOffsetToEvent(start), selectedMarker);
-				asyncUpdate(e.widget);
 			}
+			asyncUpdate(e.widget);
 		}
 
 		protected long snapOffsetToEvent(Point p) {
@@ -287,8 +292,8 @@ public class WaveformView implements IWaveformView {
 		@Override
 		public void handleEvent(Event e) {
 			switch (e.type) {
-			case SWT.MouseWheel:
-				break;
+//			case SWT.MouseWheel:
+//				break;
 			case SWT.MouseDown:
 				start = new Point(e.x, e.y);
 				end = new Point(e.x, e.y);
@@ -756,7 +761,7 @@ public class WaveformView implements IWaveformView {
 					ITx txSel = (ITx) selList.get(0);
 					TrackEntry trackEntry = selList.size() == 2 && selList.get(1) instanceof TrackEntry
 							? (TrackEntry) selList.get(1)
-							: null;
+									: null;
 					if (trackEntry == null) {
 						trackEntry = getEntryFor(txSel);
 						if (trackEntry == null && addIfNeeded) {
@@ -930,7 +935,7 @@ public class WaveformView implements IWaveformView {
 			return candidates.get(0);
 		default:
 			ArrayList<ITxRelation> visibleCandidates = candidates.stream().filter(this::streamsVisible)
-					.collect(Collectors.toCollection(ArrayList::new));
+			.collect(Collectors.toCollection(ArrayList::new));
 			if (visibleCandidates.isEmpty()) {
 				return new RelSelectionDialog(waveformCanvas.getShell(), candidates, target).open();
 			} else if (visibleCandidates.size() == 1) {
@@ -1230,7 +1235,7 @@ public class WaveformView implements IWaveformView {
 				if (event.y < tracksVerticalHeight) {
 					event.doit = true;
 					LocalSelectionTransfer.getTransfer()
-							.setSelection(new StructuredSelection(currentWaveformSelection));
+					.setSelection(new StructuredSelection(currentWaveformSelection));
 				}
 			}
 

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

@@ -9,6 +9,7 @@
       </children>
     </children>
     <children xsi:type="basic:Part" xmi:id="__VNlAIytEeWid7xO48ZBXw" elementId="com.minres.scviewer.e4.application.dialog.aboutscviewer" toBeRendered="false" visible="false" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.AboutDialog" label="About SCViewer" bindingContexts="_95Pfu3NmEeWBq8z1Dv39LA"/>
+    <children xsi:type="basic:Part" xmi:id="_hXh-kEYFEeyPM8G0E2EYww" elementId="com.minres.scviewer.e4.application.dialog.onlinehelp" toBeRendered="false" visible="false" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.HelpDialog" label="SCViewer Online Help" bindingContexts="_95Pfu3NmEeWBq8z1Dv39LA" closeable="true"/>
     <mainMenu xmi:id="_95PfyXNmEeWBq8z1Dv39LA" elementId="menu:org.eclipse.ui.main.menu">
       <children xsi:type="menu:Menu" xmi:id="_95QGwHNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.menu.file" label="File">
         <children xsi:type="menu:HandledMenuItem" xmi:id="_igsK0BkREeudD5MqrWoETQ" elementId="" label="Open Database" iconURI="platform:/plugin/com.minres.scviewer.e4.application/icons/folder_database.png" mnemonics="M1+O" command="_95PfwHNmEeWBq8z1Dv39LA"/>
@@ -55,7 +56,8 @@
       </children>
       <children xsi:type="menu:Menu" xmi:id="_95QGxHNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.menu.help" label="Help">
         <children xsi:type="menu:HandledMenuItem" xmi:id="_UQRi0B07EeuiP60JNw0iiA" elementId="com.minres.scviewer.e4.application.handledmenuitem.checkforupdate" visible="false" label="Check for Update" enabled="false" command="_-9ED4B06EeuiP60JNw0iiA"/>
-        <children xsi:type="menu:HandledMenuItem" xmi:id="_95QGxXNmEeWBq8z1Dv39LA" label="About" command="_95PfxnNmEeWBq8z1Dv39LA"/>
+        <children xsi:type="menu:HandledMenuItem" xmi:id="_95QGxXNmEeWBq8z1Dv39LA" label="Online Help" command="_lqjIYEYEEeyPM8G0E2EYww"/>
+        <children xsi:type="menu:HandledMenuItem" xmi:id="_4xtmgEYEEeyPM8G0E2EYww" label="About" command="_95PfxnNmEeWBq8z1Dv39LA"/>
       </children>
     </mainMenu>
     <trimBars xmi:id="_95QGy3NmEeWBq8z1Dv39LA" elementId="org.eclipse.ui.main.toolbar">
@@ -139,6 +141,7 @@
   <handlers xmi:id="_h3jU8BkWEeudD5MqrWoETQ" elementId="com.minres.scviewer.e4.application.handler.reloadCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.ReloadHandler" command="_srACsBkREeudD5MqrWoETQ"/>
   <handlers xmi:id="_gn_boBlEEeuiP60JNw0iiA" elementId="com.minres.scviewer.e4.application.handler.txSearch" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.SearchHandler" command="_XDxTYBlEEeuiP60JNw0iiA"/>
   <handlers xmi:id="_CCEtAB07EeuiP60JNw0iiA" elementId="com.minres.scviewer.e4.application.handler.update" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.UpdateHandler" command="_-9ED4B06EeuiP60JNw0iiA"/>
+  <handlers xmi:id="_ru2NIEYEEeyPM8G0E2EYww" elementId="com.minres.scviewer.e4.application.handler.helpCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.HelpHandler" command="_lqjIYEYEEeyPM8G0E2EYww"/>
   <bindingTables xmi:id="_95PfvnNmEeWBq8z1Dv39LA" bindingContext="_95PfuXNmEeWBq8z1Dv39LA">
     <bindings xmi:id="_95Pfv3NmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.keybinding.quit" keySequence="M1+Q" command="_95PfvHNmEeWBq8z1Dv39LA">
       <tags>type:user</tags>
@@ -280,6 +283,7 @@
   <commands xmi:id="_srACsBkREeudD5MqrWoETQ" elementId="com.minres.scviewer.e4.application.reload" commandName="Reload Command"/>
   <commands xmi:id="_XDxTYBlEEeuiP60JNw0iiA" elementId="com.minres.scviewer.e4.application.txSearch" commandName="Search Command"/>
   <commands xmi:id="_-9ED4B06EeuiP60JNw0iiA" elementId="com.minres.scviewer.e4.application.command.update" commandName="Update"/>
+  <commands xmi:id="_lqjIYEYEEeyPM8G0E2EYww" elementId="org.eclipse.ui.help.helpAction" commandName="Help Command"/>
   <addons xmi:id="_95PfsnNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.core.commands.service" contributionURI="bundleclass://org.eclipse.e4.core.commands/org.eclipse.e4.core.commands.CommandServiceAddon"/>
   <addons xmi:id="_95Pfs3NmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ui.contexts.service" contributionURI="bundleclass://org.eclipse.e4.ui.services/org.eclipse.e4.ui.services.ContextServiceAddon"/>
   <addons xmi:id="_95PftHNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ui.bindings.service" contributionURI="bundleclass://org.eclipse.e4.ui.bindings/org.eclipse.e4.ui.bindings.BindingServiceAddon"/>

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

@@ -0,0 +1,31 @@
+/*******************************************************************************
+ * Copyright (c) 2015-2021 MINRES Technologies GmbH and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     MINRES Technologies GmbH - initial API and implementation
+ *******************************************************************************/
+package com.minres.scviewer.e4.application.handlers;
+
+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.MPart;
+import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
+import org.eclipse.e4.ui.workbench.modeling.EModelService;
+import org.eclipse.swt.widgets.Shell;
+
+public class HelpHandler {
+
+	static final String DIALOG_ID="com.minres.scviewer.e4.application.dialog.onlinehelp";
+	
+	@Execute
+	public void execute(Shell shell, MApplication app, MWindow window, EModelService ms /*@Named("mdialog01.dialog.0") MDialog dialog*/) {
+		MPart mel = (MPart) ms.find(DIALOG_ID, app); //$NON-NLS-1$
+		mel.setToBeRendered(true);
+		mel.setToBeRendered(false);
+	}
+
+}

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

@@ -131,7 +131,9 @@ public class AboutDialog extends Dialog {
 				if (style != null && style.underline && style.underlineStyle == SWT.UNDERLINE_LINK) {
 					Desktop.getDesktop().browse(new java.net.URI(style.data.toString()));
 				}
-			} catch (IOException | URISyntaxException | IllegalArgumentException e) {}
+			} catch (IOException | URISyntaxException | IllegalArgumentException e) {
+			} catch (UnsupportedOperationException e) {
+			}
 		});
 		
 		styleRange.start = 0;

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

@@ -0,0 +1,175 @@
+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;
+
+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("Back");
+		ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
+		itemForward.setText("Forward");
+		ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
+		itemStop.setText("Stop");
+		ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
+		itemRefresh.setText("Refresh");
+		ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
+		itemGo.setText("Go");
+
+		GridData data = new GridData();
+		data.horizontalSpan = 3;
+		toolbar.setLayoutData(data);
+
+		Label labelAddress = new Label(container, SWT.NONE);
+		labelAddress.setText("Address");
+
+		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("Back"))
+					browser.back();
+				else if (string.equals("Forward"))
+					browser.forward();
+				else if (string.equals("Stop"))
+					browser.stop();
+				else if (string.equals("Refresh"))
+					browser.refresh();
+				else if (string.equals("Go"))
+					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("http://eclipse.org");
+		} catch (SWTError e) {
+			System.out.println("Could not instantiate Browser: " + 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();
+	}
+
+}