/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.properties;
import java.beans.PropertyChangeSupport;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.GC;
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.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
public class PropertyEditingSection {
public static final String PROP_TITLE = "title"; //$NON-NLS-1$
public static final String PROP_EXPANDED = "expanded"; //$NON-NLS-1$
private Composite composite = null;
private Composite client = null;
private Composite title = null;
private Label titleLabel = null;
// private Composite chevron = null;
private Control separator = null;
private boolean expanded = true;
private String titleText = ""; //$NON-NLS-1$
private Color titleColor = null;
private PropertyChangeSupport eventSupport = new PropertyChangeSupport(this);
public PropertyEditingSection(Composite parent) {
composite = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(1, true);
gridLayout.marginWidth = 0;
gridLayout.marginHeight = 0;
gridLayout.verticalSpacing = 0;
gridLayout.horizontalSpacing = 0;
composite.setLayout(gridLayout);
Control titleControl = createTitle(composite);
GridData titleLayoutData = new GridData(SWT.FILL, SWT.FILL, true, false);
titleLayoutData.widthHint = SWT.DEFAULT;
titleLayoutData.heightHint = SWT.DEFAULT;
titleControl.setLayoutData(titleLayoutData);
Control separatorControl = createSeparator(composite);
GridData separatorLayoutData = new GridData(SWT.FILL, SWT.FILL, true,
false);
separatorLayoutData.widthHint = SWT.DEFAULT;
separatorLayoutData.heightHint = SWT.DEFAULT;
separatorControl.setLayoutData(separatorLayoutData);
Control bodyControl = createClientBody(composite);
GridData bodyLayoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
bodyLayoutData.widthHint = SWT.DEFAULT;
bodyLayoutData.heightHint = SWT.DEFAULT;
bodyControl.setLayoutData(bodyLayoutData);
}
private Control createTitle(Composite parent) {
title = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(1, false);
gridLayout.marginWidth = 5;
gridLayout.marginHeight = 5;
gridLayout.verticalSpacing = 0;
gridLayout.horizontalSpacing = 3;
title.setLayout(gridLayout);
// Control chevronControl = createChevron(title);
// GridData chevronLayoutData = new GridData(SWT.FILL, SWT.FILL, false,
// true);
// chevronLayoutData.widthHint = SWT.DEFAULT;
// chevronLayoutData.heightHint = SWT.DEFAULT;
// chevronControl.setLayoutData(chevronLayoutData);
Control labelControl = createTitleLabel(title);
GridData labelLayoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
labelLayoutData.widthHint = SWT.DEFAULT;
labelLayoutData.heightHint = SWT.DEFAULT;
labelControl.setLayoutData(labelLayoutData);
enableClickListener(title, new Listener() {
public void handleEvent(Event event) {
// toggleExpanded();
}
});
return title;
}
// private Control createChevron(Composite parent) {
// chevron = new Composite(parent, SWT.NO_FOCUS);
// chevron.setLayout(new Layout() {
// protected void layout(Composite composite, boolean flushCache) {
// }
//
// protected Point computeSize(Composite composite, int wHint,
// int hHint, boolean flushCache) {
// return new Point(12, hHint < 0 ? 12 : hHint);
// }
// });
// chevron.addPaintListener(new PaintListener() {
// public void paintControl(PaintEvent e) {
// Rectangle bounds = chevron.getBounds();
// paintChevron(e.display, e.gc, 0, 0, bounds.width,
// bounds.height, chevron.getForeground());
// }
// });
// return chevron;
// }
private Control createTitleLabel(Composite parent) {
titleLabel = new Label(parent, SWT.WRAP);
titleLabel.setText(titleText);
return titleLabel;
}
private Control createSeparator(Composite parent) {
separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL);
return separator;
}
private Control createClientBody(Composite parent) {
client = new Composite(parent, SWT.NONE);
return client;
}
private void enableClickListener(Control control, Listener listener) {
control.addListener(SWT.MouseDown, listener);
control.setCursor(control.getDisplay().getSystemCursor(SWT.CURSOR_HAND));
if (control instanceof Composite) {
Control[] children = ((Composite) control).getChildren();
for (int i = 0; i < children.length; i++) {
enableClickListener(children[i], listener);
}
}
}
protected void paintChevron(Display display, GC gc, int x, int y,
int width, int height, Color color) {
if (color != null) {
gc.setBackground(color);
} else {
gc.setBackground(display
.getSystemColor(SWT.COLOR_WIDGET_FOREGROUND));
}
int cx = x + width / 2, cy = y + height / 2;
if (isExpanded()) {
gc.fillPolygon(new int[] { cx - 5, cy - 3, cx + 3, cy - 3, cx - 1,
cy + 7 });
} else {
gc.fillPolygon(new int[] { cx - 4, cy - 4, cx + 6, cy, cx - 4,
cy + 4 });
}
}
public Control getControl() {
return composite;
}
public Composite getClient() {
return client;
}
public void setBackground(Color color) {
if (composite == null || composite.isDisposed())
return;
composite.setBackground(color);
client.setBackground(color);
title.setBackground(color);
titleLabel.setBackground(color);
// chevron.setBackground(color);
separator.setBackground(color);
}
public boolean isExpanded() {
return expanded;
}
public void toggleExpanded() {
setExpanded(!isExpanded());
}
public void setExpanded(boolean expanded) {
boolean oldExpanded = isExpanded();
if (oldExpanded == expanded)
return;
this.expanded = expanded;
if (composite == null || composite.isDisposed())
return;
client.setVisible(expanded);
separator.setVisible(expanded);
((GridData) client.getLayoutData()).exclude = !expanded;
((GridData) separator.getLayoutData()).exclude = !expanded;
composite.layout(true);
// chevron.redraw();
eventSupport.firePropertyChange(PROP_EXPANDED, oldExpanded, expanded);
}
public String getTitleText() {
return titleText;
}
public void setTitleText(String titleText) {
this.titleText = titleText == null ? "" : titleText; //$NON-NLS-1$
if (titleLabel == null || titleLabel.isDisposed())
return;
if ("".equals(this.titleText)) { //$NON-NLS-1$
titleLabel
.setText(Messages.PropertyEditingSection_UntitledCategory);
titleLabel.setForeground(Display.getCurrent().getSystemColor(
SWT.COLOR_GRAY));
} else {
titleLabel.setText(getTitleText());
titleLabel.setForeground(titleColor);
}
}
public void setTitleColor(Color color) {
this.titleColor = color;
if (titleLabel != null && !titleLabel.isDisposed()) {
if ("".equals(titleText)) { //$NON-NLS-1$
titleLabel.setForeground(Display.getCurrent().getSystemColor(
SWT.COLOR_GRAY));
} else {
titleLabel.setForeground(color);
}
}
// if (chevron != null && !chevron.isDisposed()) {
// chevron.setForeground(color);
// }
}
public void setTitleFont(Font font) {
if (titleLabel != null && !titleLabel.isDisposed()) {
titleLabel.setFont(font);
}
}
public PropertyChangeSupport getEventSupport() {
return eventSupport;
}
}
