/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2011 SAP AG.
* 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:
* SAP AG - initial API, implementation and documentation
* Volker Wegert - Bug 332363 - Direct Editing: enable automatic resizing for combo boxes
* mwenz - Bug 359112 - Connection text decorator's direct editing box size is not accurate when the text has length zero
* mgorning - Bug 347262 - DirectEditingFeature with TYPE_DIALOG type
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.graphiti.ui.internal.parts.directedit;
import org.eclipse.draw2d.FigureUtilities;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.tools.CellEditorLocator;
import org.eclipse.graphiti.features.IDirectEditingFeature;
import org.eclipse.graphiti.func.IDirectEditing;
import org.eclipse.graphiti.ui.platform.ICellEditorProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
/**
* implementation of a locator for direct edit CellEditors
*
* @noinstantiate This class is not intended to be instantiated by clients.
* @noextend This class is not intended to be subclassed by clients.
*/
public class TextCellLocator implements CellEditorLocator {
private IFigure figure;
private IDirectEditingFeature directEditingFeature;
private int initialWidth = -1;
public TextCellLocator(IFigure figure, IDirectEditingFeature directEditingFeature) {
this.figure = figure;
this.directEditingFeature = directEditingFeature;
}
public void relocate(CellEditor celleditor) {
Control control = celleditor.getControl();
if (directEditingFeature.getEditingType() == IDirectEditing.TYPE_MULTILINETEXT) {
// IFigure parentFigure = figure.getParent();
Rectangle rect = figure.getClientArea().getCopy();
figure.translateToAbsolute(rect);
org.eclipse.swt.graphics.Rectangle trim = ((Text) control).computeTrim(0, 0, 0, 0);
rect.translate(trim.x, trim.y);
rect.width += trim.width;
rect.height += trim.height;
// control.setBounds(rect.x, rect.y, rect.width, rect.height);
int correction = 16;
Text text = (Text) celleditor.getControl();
Dimension d = FigureUtilities.getTextExtents(text.getText(), text.getFont());
int widthToSet = Math.min(rect.width, d.width + correction);
rect.x += (rect.width - widthToSet) / 2;
rect.y += (rect.height - d.height) / 2;
text.setBounds(rect.x, rect.y, widthToSet, d.height);
} else if (directEditingFeature.getEditingType() == IDirectEditing.TYPE_TEXT) {
Rectangle rect = figure.getBounds().getCopy();
figure.translateToAbsolute(rect);
if (directEditingFeature.stretchFieldToFitText()) {
Text text = (Text) control;
// Bug 359112 - Prevent enlarging the input field in case string
// length is 0 (would set field length to 64)
int widthHint = SWT.DEFAULT;
if (text.getText().length() == 0) {
// In case of text length 0 set field width hint to minimum
// value so that field is rendered in minimal size
widthHint = 0;
}
Point pref = text.computeSize(widthHint, SWT.DEFAULT);
// initialWidth is the minimum width for the field
if (initialWidth == -1) {
initialWidth = pref.x;
}
if (pref.x < initialWidth) {
pref.x = initialWidth;
}
control.setBounds(rect.x, rect.y, pref.x + 10, pref.y);
} else {
int height = control.getFont().getFontData()[0].getHeight();
control.setBounds(rect.x + 2, rect.y + 2, rect.width - 4, height * 2);
}
} else if (directEditingFeature.getEditingType() == IDirectEditing.TYPE_DROPDOWN
|| directEditingFeature.getEditingType() == IDirectEditing.TYPE_DROPDOWN_READ_ONLY) {
Rectangle rect = figure.getBounds().getCopy();
figure.translateToAbsolute(rect);
int minWidth = 80;
if (rect.width > minWidth) {
minWidth = rect.width;
}
if (directEditingFeature.stretchFieldToFitText()) {
CCombo combo = (CCombo) control;
Point pref = combo.computeSize(-1, -1);
if (minWidth < pref.x)
minWidth = pref.x;
}
control.setBounds(rect.x, rect.y, minWidth, 14);
} else if (directEditingFeature.getEditingType() == IDirectEditing.TYPE_CUSTOM
&& (directEditingFeature instanceof ICellEditorProvider)) {
ICellEditorProvider cep = (ICellEditorProvider) directEditingFeature;
cep.relocate(celleditor, figure);
}
}
public IFigure getFigure() {
return figure;
}
}