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CheckBoxCellEditorMockup.java
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CheckBoxCellEditorMockup.java
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package org.eclipse.jface.viewer;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.CheckboxCellEditor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnViewer;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
import com.xored.q7.quality.mockups.issues.BaseMockupPart;
public class CheckBoxCellEditorMockup extends BaseMockupPart {
@Override
public Control construct(Composite parent) {
// TODO Auto-generated method stub
final TableViewer v = new TableViewer(parent, SWT.FULL_SELECTION);
TableColumnLayout layout = new TableColumnLayout();
parent.setLayout(layout);
v.getTable().setLinesVisible(true);
v.getTable().setHeaderVisible(true);
final TableViewerColumn vColumn1 = new TableViewerColumn(v, SWT.NONE);
TableColumn column1 = vColumn1.getColumn();
layout.setColumnData(column1, new ColumnWeightData(1, ColumnWeightData.MINIMUM_WIDTH, false));
column1.setText("Name");
vColumn1.setLabelProvider(new ColumnLabelProvider(){
public String getText(Object element) {
PersonModel m = (PersonModel) element;
return m.name;
}
});
final TableViewerColumn vColumn2 = new TableViewerColumn(v, SWT.NONE);
TableColumn column2 = vColumn2.getColumn();
layout.setColumnData(column2, new ColumnWeightData(2, ColumnWeightData.MINIMUM_WIDTH, false));
column2.setText("Married?");
vColumn2.setLabelProvider(new EmulatedNativeCheckBoxLabelProvider(v));
final TableViewerColumn vColumn3 = new TableViewerColumn(v, SWT.NONE);
TableColumn column3 = vColumn3.getColumn();
layout.setColumnData(column3, new ColumnWeightData(2, ColumnWeightData.MINIMUM_WIDTH, false));
column3.setText("Check Item");
vColumn3.setLabelProvider(new ColumnLabelProvider(){
public String getText(Object element) {
PersonModel m = (PersonModel) element;
return Boolean.toString(m.isMarried);
}
});
vColumn2.setEditingSupport(new EditingSupport(v) {
@Override
protected boolean canEdit(Object element) {
return true;
}
@Override
protected CellEditor getCellEditor(Object element) {
return new CheckboxCellEditor(v.getTable(), SWT.CHECK | SWT.READ_ONLY);
}
@Override
protected Object getValue(Object element) {
PersonModel person = (PersonModel) element;
return person.isMarried;
}
@Override
protected void setValue(Object element, Object value) {
((PersonModel)element).isMarried = (Boolean)value;
v.refresh();
}
});
v.setContentProvider(new MyContentProvider());
PersonModel[] m = createModel();
v.setInput(m);
return null;
}
private class MyContentProvider implements IStructuredContentProvider {
public Object[] getElements(Object inputElement) {
return (PersonModel[])inputElement;
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
////////////////////
public class EmulatedNativeCheckBoxLabelProvider extends
ColumnLabelProvider {
private static final String CHECKED_KEY = "CHECKED";
private static final String UNCHECK_KEY = "UNCHECKED";
public EmulatedNativeCheckBoxLabelProvider(ColumnViewer viewer) {
if (JFaceResources.getImageRegistry().getDescriptor(CHECKED_KEY) == null) {
JFaceResources.getImageRegistry().put(UNCHECK_KEY,
makeShot(viewer.getControl(), false));
JFaceResources.getImageRegistry().put(CHECKED_KEY,
makeShot(viewer.getControl(), true));
}
}
private Image makeShot(Control control, boolean type)
{
// Hopefully no platform uses exactly this color because we'll make
// it transparent in the image.
Color greenScreen = new Color(control.getDisplay(), 222, 223, 224);
Shell shell = new Shell(control.getShell(), SWT.NO_TRIM);
// otherwise we have a default gray color
shell.setBackground(greenScreen);
Button button = new Button(shell, SWT.CHECK);
button.setBackground(greenScreen);
button.setSelection(type);
// otherwise an image is located in a corner
button.setLocation(1, 1);
Point bsize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT);
// otherwise an image is stretched by width
bsize.x = Math.max(bsize.x - 1, bsize.y - 1);
bsize.y = Math.max(bsize.x - 1, bsize.y - 1);
button.setSize(bsize);
shell.setSize(bsize);
shell.open();
GC gc = new GC(shell);
Image image = new Image(control.getDisplay(), bsize.x, bsize.y);
gc.copyArea(image, 0, 0);
gc.dispose();
shell.close();
ImageData imageData = image.getImageData();
imageData.transparentPixel = imageData.palette.getPixel(greenScreen
.getRGB());
return new Image(control.getDisplay(), imageData);
}
public Image getImage(Object element) {
if (((PersonModel)element).isMarried) {
return JFaceResources.getImageRegistry().get(CHECKED_KEY);
} else {
return JFaceResources.getImageRegistry().get(UNCHECK_KEY);
}
}
public String getText(Object element) {
if (((PersonModel)element).isMarried) {
return "Married";
} else {
return "Not Married";
}
}
//protected boolean isChecked(Object element);
}
////////////////////////
public class PersonModel{
String name;
boolean isMarried;
PersonModel(String n, boolean f){
this.name = n;
this.isMarried = f;
}
public void setMarried(Boolean f){
this.isMarried = f;
}
}
public PersonModel[] createModel(){
PersonModel[] elements = new PersonModel[5];
String[] names = new String[]{"Ann", "Peter", "John", "Mary", "Kate"};
int i;
for(i = 0; i<2; i++){
elements[i] = new PersonModel(names[i], true);
}
for(i = 2; i<5; i++){
elements[i] = new PersonModel(names[i], false);
}
return elements;
}
}