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//
// 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
//
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package org.talend.designer.core.ui.editor.properties.controllers;
import java.beans.PropertyChangeEvent;
import org.eclipse.gef.commands.Command;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.fieldassist.DecoratedField;
import org.eclipse.jface.fieldassist.FieldDecoration;
import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
import org.eclipse.jface.fieldassist.IControlCreator;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.talend.commons.ui.runtime.image.ImageProvider;
import org.talend.commons.ui.runtime.image.ImageUtils;
import org.talend.core.CorePlugin;
import org.talend.core.model.components.IComponent;
import org.talend.core.model.process.Element;
import org.talend.core.model.process.IElement;
import org.talend.core.model.process.IElementParameter;
import org.talend.core.model.process.IProcess;
import org.talend.core.model.process.IProcess2;
import org.talend.core.model.properties.Item;
import org.talend.core.model.properties.JobletProcessItem;
import org.talend.core.properties.tab.IDynamicProperty;
import org.talend.core.ui.images.CoreImageProvider;
import org.talend.designer.core.i18n.Messages;
import org.talend.designer.core.model.components.EParameterName;
import org.talend.designer.core.model.process.AbstractProcessProvider;
import org.talend.designer.core.ui.editor.cmd.PropertyChangeCommand;
import org.talend.repository.ui.views.RepositoryLabelProvider;
/**
* DOC zywang class global comment. Detailled comment
*/
public class IconSelectionController extends AbstractElementPropertySectionController {
private static final String ICON_SELECTION = "ICON_SELECTION"; //$NON-NLS-1$
private static final String ICON_REVERT = "ICON_REVERT"; //$NON-NLS-1$
private AbstractProcessProvider findProcessProvider = AbstractProcessProvider
.findProcessProviderFromPID(IComponent.JOBLET_PID);
private Label filePathText;
/**
* yzhang FileController constructor comment.
*
* @param parameterBean
*/
public IconSelectionController(IDynamicProperty dp) {
super(dp);
}
/*
* This method will never be called.
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#createCommand
* ()
*/
public Command createCommand() {
return null;
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties2.editors.AbstractElementPropertySectionController#createCommand()
*/
public Command createCommand(Button button) {
Object data = button.getData(NAME);
if (data != null) {
if (ICON_SELECTION.equals(data)) {
FileDialog dial = new FileDialog(composite.getShell(), SWT.NONE);
dial.setFilterExtensions(new String[] { "*.jpg", "*.png", "*.gif" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
String propertyName = (String) button.getData(PARAMETER_NAME);
String file = dial.open();
if (file != null) {
if (!file.equals("")) { //$NON-NLS-1$
if (!elem.getPropertyValue(propertyName).equals(file)) {
ImageData imageData = new ImageData(file);
if (ImageUtils
.checkSize(ImageDescriptor.createFromImageData(imageData), ImageUtils.ICON_SIZE.ICON_32)) {
if (elem instanceof IProcess2) {
refreshIcon(imageData);
return new IconSelectionCommand((IProcess2) elem, ImageDescriptor
.createFromImageData(imageData), file);
}
} else {
MessageDialog.openError(composite.getShell(), Messages
.getString("IconSelectionController.MessageTitle"), //$NON-NLS-1$
Messages.getString("IconSelectionController.Messages")); //$NON-NLS-1$
}
}
}
}
} else if (ICON_REVERT.equals(data)) {
if (elem instanceof IProcess2) {
Image defaultIcon = RepositoryLabelProvider.getDefaultJobletImage();
ImageDescriptor imageData = ImageDescriptor.createFromImage(defaultIcon);
refreshIcon(defaultIcon.getImageData());
return new IconSelectionCommand((IProcess2) elem, imageData, null);
}
}
}
return null;
}
/**
* hshen Comment method "refreshIcon".
*/
private void refreshIcon(ImageData imageData) {
Image image = new Image(composite.getShell().getDisplay(), imageData);
addResourceDisposeListener(filePathText, image);
filePathText.setImage(image);
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties2.editors.AbstractElementPropertySectionController#createControl()
*/
@Override
public Control createControl(final Composite subComposite, final IElementParameter param, final int numInRow,
final int nbInRow, final int top, final Control lastControl) {
this.curParameter = param;
FormData data;
Button btnEdit = getWidgetFactory().createButton(subComposite, "", SWT.PUSH); //$NON-NLS-1$
btnEdit.setImage(ImageProvider.getImage(CorePlugin.getImageDescriptor(DOTS_BUTTON)));
data = new FormData();
data.left = new FormAttachment(0, 120);
data.top = new FormAttachment(0, top);
data.height = STANDARD_HEIGHT - 2;
btnEdit.setLayoutData(data);
btnEdit.setData(NAME, ICON_SELECTION);
btnEdit.setData(PARAMETER_NAME, param.getName());
btnEdit.setEnabled(!param.isReadOnly());
btnEdit.addSelectionListener(listenerSelection);
DecoratedField dField = new DecoratedField(subComposite, SWT.NONE, new IControlCreator() {
public Control createControl(Composite parent, int style) {
return new Label(parent, style);
}
});
// revert btn
Button btnRevert = getWidgetFactory().createButton(subComposite,
Messages.getString("IconSelectionController.Revert"), SWT.PUSH); //$NON-NLS-1$
data = new FormData();
data.left = new FormAttachment(btnEdit, 5);
data.top = new FormAttachment(0, top);
data.height = STANDARD_HEIGHT - 2;
btnRevert.setLayoutData(data);
btnRevert.setData(NAME, ICON_REVERT);
btnRevert.setData(PARAMETER_NAME, param.getName());
btnRevert.setEnabled(!param.isReadOnly());
btnRevert.addSelectionListener(listenerSelection);
if (param.isRequired()) {
FieldDecoration decoration = FieldDecorationRegistry.getDefault().getFieldDecoration(
FieldDecorationRegistry.DEC_REQUIRED);
dField.addFieldDecoration(decoration, SWT.RIGHT | SWT.TOP, false);
}
if (param.isRepositoryValueUsed()) {
FieldDecoration decoration = FieldDecorationRegistry.getDefault().getFieldDecoration(
FieldDecorationRegistry.DEC_CONTENT_PROPOSAL);
decoration.setDescription(Messages.getString("FileController.decoration.description")); //$NON-NLS-1$
dField.addFieldDecoration(decoration, SWT.RIGHT | SWT.BOTTOM, false);
}
Control cLayout = dField.getLayoutControl();
filePathText = (Label) dField.getControl();
String file = (String) elem.getPropertyValue(PARAMETER_NAME);
if (file != null) {
// ImageData imageData = new ImageData(file);
// image = new Image(composite.getShell().getDisplay(), imageData);
// filePathText.setImage(image);
}
CLabel labelLabel = getWidgetFactory().createCLabel(subComposite, param.getDisplayName(), 0); //$NON-NLS-1$
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 = 50;
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);
}
data.top = new FormAttachment(btnEdit, 0, SWT.CENTER);
data.height = 34;
data.width = 30;
cLayout.setLayoutData(data);
Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
dynamicProperty.setCurRowSize(initialSize.y + ITabbedPropertyConstants.VSPACE);
return btnEdit;
}
/*
* (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) {
DecoratedField dField = new DecoratedField(subComposite, SWT.BORDER, new IControlCreator() {
public Control createControl(Composite parent, int style) {
return new Label(parent, style);
}
});
Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
dField.getLayoutControl().dispose();
return initialSize.y + ITabbedPropertyConstants.VSPACE;
}
/*
* (non-Javadoc)
*
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent evt) {
}
SelectionListener listenerSelection = new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent e) {
Command cmd = createCommand((Button) e.getSource());
executeCommand(cmd);
}
};
@Override
public void refresh(IElementParameter param, boolean checkErrorsWhenViewRefreshed) {
IElement element = param.getElement();
if (element instanceof IProcess2) {
if (findProcessProvider != null) {
ImageDescriptor icon = findProcessProvider.getIcons((IProcess2) element);
if (icon != null) {
Image image = icon.createImage();
addResourceDisposeListener(filePathText, image);
filePathText.setImage(image);
}
}
}
}
class IconSelectionCommand extends Command {
private ImageDescriptor oldImage, newImage;
private IProcess2 process;
private Command changeCmd;
public IconSelectionCommand(IProcess2 process, ImageDescriptor newImage, String file) {
super();
this.process = process;
this.newImage = newImage;
if (file != null) {
changeCmd = new PropertyChangeCommand((Element) process, EParameterName.ICONSELECTION.getName(), file);
}
}
@Override
public void execute() {
if (findProcessProvider != null) {
oldImage = findProcessProvider.getIcons(process);
findProcessProvider.setIcons((IProcess) elem, newImage);
}
if (changeCmd != null) {
changeCmd.execute();
}
// see bug 15062
final Item item = process.getProperty().getItem();
if (item instanceof JobletProcessItem) {
String label = item.getProperty().getLabel();
CoreImageProvider.removeComponentImage(label);
}// end
}
@Override
public void undo() {
if (findProcessProvider != null) {
findProcessProvider.setIcons((IProcess) elem, oldImage);
}
if (changeCmd != null) {
changeCmd.undo();
}
}
}
}