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/*******************************************************************************
* Copyright (c) 2006 Tom Schindl 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:
* Tom Schindl - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.snippets.viewers;
import org.eclipse.jface.resource.FontRegistry;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnViewerEditor;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerEditor;
import org.eclipse.jface.viewers.TableViewerFocusCellManager;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
/**
* Example usage of none mandatory interfaces of ITableFontProvider and
* ITableColorProvider
*
* @author Tom Schindl <tom.schindl@bestsolution.at>
*
*/
public class Snippet035TableCursorCellHighlighter {
private class MyContentProvider implements IStructuredContentProvider {
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object inputElement) {
return (MyModel[]) inputElement;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer,
* java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
public static boolean flag = true;
public class MyModel {
public int counter;
public MyModel(int counter) {
this.counter = counter;
}
public String toString() {
return "Item " + this.counter;
}
}
public class MyLabelProvider extends LabelProvider implements
ITableLabelProvider, ITableFontProvider, ITableColorProvider {
FontRegistry registry = new FontRegistry();
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
return "Column " + columnIndex + " => " + element.toString();
}
public Font getFont(Object element, int columnIndex) {
if (((MyModel) element).counter % 2 == 0) {
return registry.getBold(Display.getCurrent().getSystemFont()
.getFontData()[0].getName());
}
return null;
}
public Color getBackground(Object element, int columnIndex) {
if (((MyModel) element).counter % 2 == 0) {
return Display.getCurrent().getSystemColor(SWT.COLOR_RED);
}
return null;
}
public Color getForeground(Object element, int columnIndex) {
if (((MyModel) element).counter % 2 == 1) {
return Display.getCurrent().getSystemColor(SWT.COLOR_RED);
}
return null;
}
}
public Snippet035TableCursorCellHighlighter(Shell shell) {
final TableViewer v = new TableViewer(shell, SWT.BORDER|SWT.HIDE_SELECTION|SWT.FULL_SELECTION);
v.setLabelProvider(new MyLabelProvider());
v.setContentProvider(new MyContentProvider());
v.setCellEditors(new CellEditor[] { new TextCellEditor(v.getTable()), new TextCellEditor(v.getTable()) });
v.setCellModifier(new ICellModifier() {
public boolean canModify(Object element, String property) {
return true;
}
public Object getValue(Object element, String property) {
return "Column " + property + " => " + element.toString();
}
public void modify(Object element, String property, Object value) {
}
});
v.setColumnProperties(new String[] {"1","2"});
TableViewerFocusCellManager focusCellManager = new TableViewerFocusCellManager(v,new CursorCellHighlighter(v,new TableCursor(v)));
ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(v) {
protected boolean isEditorActivationEvent(
ColumnViewerEditorActivationEvent event) {
return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
|| event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
|| (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
|| event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
}
};
TableViewerEditor.create(v, focusCellManager, actSupport, ColumnViewerEditor.TABBING_HORIZONTAL
| ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
| ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION);
TableColumn column = new TableColumn(v.getTable(), SWT.NONE);
column.setWidth(200);
column.setText("Column 1");
column = new TableColumn(v.getTable(), SWT.NONE);
column.setWidth(200);
column.setText("Column 2");
MyModel[] model = createModel();
v.setInput(model);
v.getTable().setLinesVisible(true);
v.getTable().setHeaderVisible(true);
}
private MyModel[] createModel() {
MyModel[] elements = new MyModel[10];
for (int i = 0; i < 10; i++) {
elements[i] = new MyModel(i);
}
return elements;
}
/**
* @param args
*/
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
new Snippet035TableCursorCellHighlighter(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}