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add help dialog

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This commit is contained in:
Eyck Jentzsch
2021-11-15 13:07:22 +01:00
parent 076611eec7
commit d6805f383b
5 changed files with 274 additions and 57 deletions
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31
plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/HelpHandler.java Normal file
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@ -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);
}
}

4
plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/AboutDialog.java
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@ -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;

175
plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/HelpDialog.java Normal file
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@ -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();
}
}