// ============================================================================
//
// Copyright (C) 2006-2012 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.designer.core.ui.editor.properties.controllers;
import java.beans.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.talend.core.model.process.IElementParameter;
import org.talend.core.properties.tab.IDynamicProperty;
import org.talend.designer.core.ui.editor.nodes.Node;
/**
* DOC qwei class global comment. Detailled comment <br/>
*
* $Id: talend.epf 1 2006-09-29 17:06:40 +0000 (ææäº, 29 ä¹æ 2006) nrousseau $
*
*/
public class LabelController extends AbstractElementPropertySectionController {
/**
* DOC qwei LabelController constructor comment.
*
* @param dtp
*/
public LabelController(IDynamicProperty dp) {
super(dp);
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#createControl
* (org.eclipse.swt.widgets.Composite, org.talend.core.model.process.IElementParameter, int, int, int,
* org.eclipse.swt.widgets.Control)
*/
@Override
public Control createControl(Composite subComposite, IElementParameter param, int numInRow, int nbInRow, int top,
Control lastControl) {
// TODO Auto-generated method stub
FormData data;
CLabel labelLabel;
if (param.getValue().equals("")) { //$NON-NLS-1$
labelLabel = getWidgetFactory().createCLabel(subComposite, param.getDisplayName(), SWT.SHADOW_NONE);
} else {
labelLabel = getWidgetFactory().createCLabel(subComposite, (String) param.getValue(), SWT.SHADOW_NONE);
}
RGB rgb = param.getColor();
if (rgb != null) {
Color color = new Color(null, rgb);
addResourceDisposeListener(labelLabel, color);
labelLabel.setForeground(color);
}
RGB bgRgb = param.getBackgroundColor();
if (bgRgb != null) {
Color bgColor = new Color(null, bgRgb);
addResourceDisposeListener(labelLabel, bgColor);
labelLabel.setBackground(bgColor);
}
labelLabel.setData(PARAMETER_NAME, param.getName());
if (elem instanceof Node) {
labelLabel.setToolTipText(VARIABLE_TOOLTIP + param.getVariableName());
}
hashCurControls.put(param.getName(), labelLabel);
data = new FormData();
if (lastControl != null) {
data.left = new FormAttachment(lastControl, 0);
} else {
data.left = new FormAttachment((((numInRow - 1) * MAX_PERCENT) / nbInRow), 0);
}
data.top = new FormAttachment(0, top);
labelLabel.setLayoutData(data);
if (numInRow != 1) {
labelLabel.setAlignment(SWT.RIGHT);
}
// **************************
data = new FormData();
int currentLabelWidth = STANDARD_LABEL_WIDTH;
GC gc = new GC(labelLabel);
Point labelSize = gc.stringExtent(param.getDisplayName());
gc.dispose();
if ((labelSize.x + ITabbedPropertyConstants.HSPACE) > currentLabelWidth) {
currentLabelWidth = labelSize.x + ITabbedPropertyConstants.HSPACE;
}
if (numInRow == 1) {
if (lastControl != null) {
data.left = new FormAttachment(lastControl, currentLabelWidth);
} else {
data.left = new FormAttachment(0, currentLabelWidth);
}
} else {
data.left = new FormAttachment(labelLabel, 0, SWT.RIGHT);
}
Point initialSize = labelLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT);
dynamicProperty.setCurRowSize(initialSize.y + ITabbedPropertyConstants.VSPACE);
return null;
}
@Override
public void refresh(IElementParameter param, boolean check) {
// TODO Auto-generated method stub
final String name2 = param.getName();
CLabel labelText = (CLabel) hashCurControls.get(name2);
if (labelText == null || labelText.isDisposed()) {
return;
}
Object value = param.getValue();
if (value.equals("")) { //$NON-NLS-1$
labelText.setText(param.getDisplayName());
} else {
labelText.setText((String) value);
}
}
/*
* (non-Javadoc)
*
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent evt) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#estimateRowSize
* (org.eclipse.swt.widgets.Composite, org.talend.core.model.process.IElementParameter)
*/
@Override
public int estimateRowSize(Composite subComposite, IElementParameter param) {
CLabel labelLabel;
if (param.getValue().equals("")) { //$NON-NLS-1$
labelLabel = getWidgetFactory().createCLabel(subComposite, param.getDisplayName(), SWT.SHADOW_NONE);
} else {
labelLabel = getWidgetFactory().createCLabel(subComposite, (String) param.getValue(), SWT.SHADOW_NONE);
}
Point initialSize = labelLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT);
labelLabel.dispose();
return initialSize.y + ITabbedPropertyConstants.VSPACE;
}
}