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/*******************************************************************************
* Copyright (c) 2006, 2014 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* oliver.schaefer@mbtech-services.com - Fix for Bug 225051 [Snippets] Snippet010OwnerDraw - Wrong german flag
* Lars Vogel <lars.vogel@gmail.com >- Bug 387367
* Lars Vogel <Lars.Vogel@gmail.com> - Bug 414565
* Jeanderson Candido <http://jeandersonbc.github.io> - Bug 414565
*******************************************************************************/
package org.eclipse.jface.snippets.viewers;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ColumnPixelData;
import org.eclipse.jface.viewers.OwnerDrawLabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.graphics.TextLayout;
import org.eclipse.swt.graphics.TextStyle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
public class Snippet010OwnerDraw {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display, SWT.CLOSE);
shell.setSize(400, 400);
shell.setLayout(new GridLayout());
Snippet010OwnerDraw example = new Snippet010OwnerDraw();
example.createPartControl(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
private static int COLUMN_COUNT = 3;
class CountryEntry {
String name;
String cupYear;
private String baseName;
/**
* Create a new instance of the receiver.
*
* @param countryName
* @param worldCupYear
*/
CountryEntry(String countryName, String englishName, String worldCupYear) {
name = countryName;
cupYear = worldCupYear;
baseName = englishName;
}
public int getHeight(Event event) {
switch (event.index) {
case 0:
return event.gc.textExtent(name).y;
case 1:
return 50;
case 2:
return event.gc.textExtent(cupYear).y;
default:
return 10;
}
}
public int getWidth(Event event) {
switch (event.index) {
case 0:
return event.gc.textExtent(getDisplayString().toString()).x + 4;
case 1:
return 200;
case 2:
return event.gc.textExtent(cupYear).x + 5;
default:
return 10;
}
}
/**
* Draw the flag in bounds.
*
* @param event
*/
protected void drawFlag(Event event) {
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_BLUE));
Rectangle bounds = event.getBounds();
bounds.width += 100;
event.gc.fillRectangle(bounds);
}
/**
* Draw the cup year
*
* @param event
*/
private void drawCupYear(Event event) {
event.gc.drawText(cupYear, event.x, event.y);
}
/**
* Draw the name of the receiver.
*
* @param event
*/
protected void drawName(Event event) {
StringBuilder buffer = getDisplayString();
Display display = viewer.getControl().getDisplay();
TextLayout layout = new TextLayout(display);
layout.setText(buffer.toString());
TextStyle plain = new TextStyle(JFaceResources.getFont(JFaceResources.DEFAULT_FONT),
display.getSystemColor(SWT.COLOR_LIST_FOREGROUND),
display.getSystemColor(SWT.COLOR_LIST_BACKGROUND));
TextStyle italic = new TextStyle(JFaceResources.getFontRegistry().getItalic(JFaceResources.DEFAULT_FONT),
display.getSystemColor(SWT.COLOR_BLUE), display.getSystemColor(SWT.COLOR_LIST_BACKGROUND));
layout.setStyle(plain, 0, name.length() - 1);
layout.setStyle(italic, name.length(), buffer.length() - 1);
layout.draw(event.gc, event.x, event.y);
}
/**
* @return
*/
private StringBuilder getDisplayString() {
StringBuilder buffer = new StringBuilder();
buffer.append(name);
buffer.append(" (");
buffer.append(baseName);
buffer.append(")");
return buffer;
}
/**
* @param event
*/
public void draw(Event event) {
switch (event.index) {
case 0:
drawName(event);
break;
case 1:
drawFlag(event);
break;
case 2:
drawCupYear(event);
break;
default:
break;
}
}
}
private class GermanyEntry extends CountryEntry {
GermanyEntry() {
super("Deutschland", "Germany", "1954 1974 1990");
}
@Override
protected void drawFlag(Event event) {
Rectangle bounds = event.getBounds();
bounds.width += 100;
int stripeHeight = bounds.height / 3;
Rectangle stripe = new Rectangle(bounds.x, bounds.y, bounds.width, stripeHeight);
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_BLACK));
event.gc.fillRectangle(stripe);
stripe.y += stripeHeight;
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
event.gc.fillRectangle(stripe);
stripe.y += stripeHeight;
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_YELLOW));
event.gc.fillRectangle(stripe);
}
}
private class AustriaEntry extends CountryEntry {
AustriaEntry() {
super("\u00D6sterreich", "Austria", "TBD");
}
@Override
protected void drawFlag(Event event) {
Rectangle bounds = event.getBounds();
bounds.width += 100;
int stripeHeight = bounds.height / 3;
Rectangle stripe = new Rectangle(bounds.x, bounds.y, bounds.width, stripeHeight);
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
event.gc.fillRectangle(stripe);
stripe.y += stripeHeight;
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_WHITE));
event.gc.fillRectangle(stripe);
stripe.y += stripeHeight;
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
event.gc.fillRectangle(stripe);
}
}
private class EnglandEntry extends CountryEntry {
EnglandEntry() {
super("Blighty", "England", "1966");
}
@Override
protected void drawFlag(Event event) {
Rectangle bounds = event.getBounds();
bounds.width += 100;
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
event.gc.fillRectangle(new Rectangle(bounds.width / 2 + bounds.x - 5, bounds.y, 10, bounds.height));
event.gc.fillRectangle(new Rectangle(bounds.x, bounds.height / 2 + bounds.y - 5, bounds.width, 10));
}
}
private class DenmarkEntry extends CountryEntry {
DenmarkEntry() {
super("Danmark", "Denmark", "TBD");
}
@Override
protected void drawFlag(Event event) {
Rectangle bounds = event.getBounds();
bounds.width += 100;
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
event.gc.fillRectangle(bounds);
event.gc.setBackground(viewer.getControl().getDisplay().getSystemColor(SWT.COLOR_WHITE));
event.gc.fillRectangle(new Rectangle(bounds.width / 2 + bounds.x - 5, bounds.y, 10, bounds.height));
event.gc.fillRectangle(new Rectangle(bounds.x, bounds.height / 2 + bounds.y - 5, bounds.width, 10));
}
}
private TableViewer viewer;
private CountryEntry[] entries;
public Snippet010OwnerDraw() {
entries = new CountryEntry[4];
entries[0] = new AustriaEntry();
entries[1] = new GermanyEntry();
entries[2] = new EnglandEntry();
entries[3] = new DenmarkEntry();
}
public void createPartControl(Composite parent) {
viewer = new TableViewer(parent, SWT.FULL_SELECTION);
viewer.setContentProvider(ArrayContentProvider.getInstance());
createColumns();
viewer.setLabelProvider(new OwnerDrawLabelProvider() {
@Override
protected void measure(Event event, Object element) {
CountryEntry country = (CountryEntry) element;
event.setBounds(new Rectangle(event.x, event.y, country.getWidth(event), country.getHeight(event)));
}
@Override
protected void paint(Event event, Object element) {
CountryEntry entry = (CountryEntry) element;
entry.draw(event);
}
});
GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.FILL_BOTH);
viewer.getControl().setLayoutData(data);
viewer.setInput(entries);
viewer.setSelection(new StructuredSelection(entries[1]));
}
/**
* Create the columns to be used in the tree.
*/
private void createColumns() {
TableLayout layout = new TableLayout();
viewer.getTable().setLayout(layout);
viewer.getTable().setHeaderVisible(true);
viewer.getTable().setLinesVisible(true);
for (int i = 0; i < COLUMN_COUNT; i++) {
TableColumn tc = new TableColumn(viewer.getTable(), SWT.NONE, i);
layout.addColumnData(new ColumnPixelData(100));
tc.setText(getTitleFor(i));
}
}
/**
* @param i
* @return
*/
private String getTitleFor(int i) {
switch (i) {
case 0:
return "Name";
case 1:
return "Flag";
case 2:
return "World Cup Year";
}
return "Unknown";
}
}
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