package org.eclipse.gmf.examples.eclipsecon.diagram.edit.parts;
import org.eclipse.draw2d.FigureUtilities;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.tools.CellEditorLocator;
import org.eclipse.gef.tools.DirectEditManager;
import org.eclipse.gmf.runtime.common.ui.contentassist.ContentAssistantHelper;
import org.eclipse.gmf.runtime.diagram.ui.internal.l10n.DiagramFontRegistry;
import org.eclipse.gmf.runtime.draw2d.ui.figures.WrapLabel;
import org.eclipse.gmf.runtime.draw2d.ui.mapmode.MapModeUtil;
import org.eclipse.gmf.runtime.gef.ui.internal.parts.TextCellEditorEx;
import org.eclipse.gmf.runtime.gef.ui.internal.parts.WrapTextCellEditor;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.jface.util.Assert;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.Text;
/**
* @generated
*/
public class TextDirectEditManager extends DirectEditManager {
/**
* @generated
*/
private Color proposalPopupBackgroundColor = null;
/**
* @generated
*/
private Color proposalPopupForegroundColor = null;
/**
* @generated
*/
private boolean committed = false;
/**
* @generated
*/
private boolean listenersAttached = true;
/**
* @generated
*/
static private class WrapTextCellEditorLocator implements CellEditorLocator {
private WrapLabel wrapLabel;
public WrapTextCellEditorLocator(WrapLabel wrapLabel) {
super();
this.wrapLabel = wrapLabel;
}
public WrapLabel getWrapLabel() {
return wrapLabel;
}
public void relocate(CellEditor celleditor) {
Text text = (Text) celleditor.getControl();
Rectangle rect = getWrapLabel().getTextBounds().getCopy();
getWrapLabel().translateToAbsolute(rect);
if (getWrapLabel().isTextWrapped()
&& getWrapLabel().getText().length() > 0)
rect.setSize(new Dimension(text.computeSize(rect.width,
SWT.DEFAULT)));
else {
int avr = FigureUtilities.getFontMetrics(text.getFont())
.getAverageCharWidth();
rect.setSize(new Dimension(text.computeSize(SWT.DEFAULT,
SWT.DEFAULT)).expand(avr * 2, 0));
}
if (!rect.equals(new Rectangle(text.getBounds())))
text.setBounds(rect.x, rect.y, rect.width, rect.height);
}
}
/**
* @generated
*/
static private class TextCellEditorLocator implements CellEditorLocator {
private Label label;
public TextCellEditorLocator(Label label) {
super();
this.label = label;
}
public Label getLabel() {
return label;
}
public void relocate(CellEditor celleditor) {
Text text = (Text) celleditor.getControl();
Rectangle rect = getLabel().getTextBounds().getCopy();
getLabel().translateToAbsolute(rect);
int avr = FigureUtilities.getFontMetrics(text.getFont())
.getAverageCharWidth();
rect.setSize(new Dimension(text.computeSize(SWT.DEFAULT,
SWT.DEFAULT)).expand(avr * 2, 0));
if (!rect.equals(new Rectangle(text.getBounds())))
text.setBounds(rect.x, rect.y, rect.width, rect.height);
}
}
/**
* @generated
*/
public TextDirectEditManager(ITextAwareEditPart source) {
super(source, getTextCellEditorClass(source),
getCellEditorLocator(source.getFigure()));
}
/**
* @generated
*/
public TextDirectEditManager(GraphicalEditPart source, Class editorType,
CellEditorLocator locator) {
super(source, editorType, locator);
}
/**
* @generated
*/
private static CellEditorLocator getCellEditorLocator(IFigure label) {
if (label instanceof Label) {
return new TextCellEditorLocator((Label) label);
}
return new WrapTextCellEditorLocator((WrapLabel) label);
}
/**
* @generated
*/
private static Class getTextCellEditorClass(ITextAwareEditPart source) {
IFigure label = source.getFigure();
if (label instanceof WrapLabel && ((WrapLabel) label).isTextWrapped())
return WrapTextCellEditor.class;
return TextCellEditorEx.class;
}
/**
* @generated
*/
protected Font getScaledFont(IFigure label) {
Font scaledFont = label.getFont();
FontData data = scaledFont.getFontData()[0];
Dimension fontSize = new Dimension(0, MapModeUtil.getMapMode(label)
.DPtoLP(data.getHeight()));
label.translateToAbsolute(fontSize);
if (Math.abs(data.getHeight() - fontSize.height) < 2)
fontSize.height = data.getHeight();
data.setHeight(fontSize.height);
Font newFont = DiagramFontRegistry.getInstance().getFont(null, data);
return newFont;
}
/**
* @generated
*/
protected void initCellEditor() {
committed = false;
// Get the Text Compartments Edit Part
ITextAwareEditPart textEP = (ITextAwareEditPart) getEditPart();
setEditText(textEP.getEditText());
IFigure label = textEP.getFigure();
Assert.isNotNull(label);
Text text = (Text) getCellEditor().getControl();
// scale the font accordingly to the zoom level
text.setFont(getScaledFont(label));
// register a validator on the cell editor
getCellEditor().setValidator(textEP.getEditTextValidator());
if (textEP.getParser() != null) {
IContentAssistProcessor processor = textEP.getCompletionProcessor();
if (processor != null) {
// register content assist
proposalPopupBackgroundColor = new Color(getCellEditor()
.getControl().getShell().getDisplay(), new RGB(254,
241, 233));
proposalPopupForegroundColor = new Color(getCellEditor()
.getControl().getShell().getDisplay(), new RGB(0, 0, 0));
ContentAssistantHelper.createTextContentAssistant(text,
proposalPopupForegroundColor,
proposalPopupBackgroundColor, processor);
}
}
}
/**
* @generated
*/
protected void commit() {
Shell activeShell = Display.getCurrent().getActiveShell();
if (activeShell != null
&& getCellEditor().getControl().getShell().equals(
activeShell.getParent())) {
Control[] children = activeShell.getChildren();
if (children.length == 1 && children[0] instanceof Table) {
/*
* CONTENT ASSIST: focus is lost to the content assist pop up -
* stay in focus
*/
getCellEditor().getControl().setVisible(true);
((TextCellEditorEx) getCellEditor()).setDeactivationLock(true);
return;
}
}
// content assist hacks
if (committed) {
bringDown();
return;
}
committed = true;
super.commit();
}
/**
* @generated
*/
protected void bringDown() {
if (proposalPopupForegroundColor != null) {
proposalPopupForegroundColor.dispose();
proposalPopupForegroundColor = null;
}
if (proposalPopupBackgroundColor != null) {
proposalPopupBackgroundColor.dispose();
proposalPopupBackgroundColor = null;
}
// myee - RATLC00523014: crashes when queued in asyncExec()
eraseFeedback();
Display.getCurrent().asyncExec(new Runnable() {
public void run() {
// Content Assist hack - allow proper cleanup on childen
// controls
TextDirectEditManager.super.bringDown();
}
});
}
/**
* @generated
*/
public void setEditText(String toEdit) {
// Get the cell editor
CellEditor cellEditor = getCellEditor();
// IF the cell editor doesn't exist yet...
if (cellEditor == null) {
// Do nothing
return;
}
// Get the Text Compartment Edit Part
ITextAwareEditPart textEP = (ITextAwareEditPart) getEditPart();
// Get the Text control
Text textControl = (Text) cellEditor.getControl();
// Get the Text Edit Part's Figure (WrapLabel)
IFigure label = textEP.getFigure();
Assert.isNotNull(label);
// Set the Figures text
if (label instanceof Label) {
((Label) label).setText(toEdit);
} else {
((WrapLabel) label).setText(toEdit);
}
// See RATLC00522324
if (cellEditor instanceof TextCellEditorEx) {
((TextCellEditorEx) cellEditor)
.setValueAndProcessEditOccured(toEdit);
} else {
cellEditor.setValue(toEdit);
}
// Set the controls text and position the caret at the end of the text
textControl.setSelection(toEdit.length());
}
/**
* @generated
*/
public void show(char initialChar) {
show();
// Set the cell editor text to the initial character
String initialString = String.valueOf(initialChar);
setEditText(initialString);
}
/**
* @generated
*/
public void show(Point location) {
show();
sendMouseClick(location);
}
/**
* @generated
*/
private void sendMouseClick(Point location) {
final Display currDisplay = Display.getCurrent();
final Point currLocation = location;
new Thread() {
Event event;
public void run() {
event = new Event();
event.type = SWT.MouseDown;
event.button = 1;
event.x = currLocation.x;
event.y = currLocation.y;
currDisplay.post(event);
event.type = SWT.MouseUp;
currDisplay.post(event);
}
}.start();
}
/**
* @generated
*/
protected void unhookListeners() {
if (listenersAttached) {
listenersAttached = false;
super.unhookListeners();
}
}
/**
* @generated
*/
protected void setCellEditor(CellEditor editor) {
super.setCellEditor(editor);
if (editor != null) {
listenersAttached = true;
}
}
/**
* @generated
*/
public void showFeedback() {
try {
getEditPart().getRoot();
super.showFeedback();
} catch (Exception e) {
// TODO: handle exception
}
}
}
