// ============================================================================
//
// 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 java.util.List;
import org.eclipse.gef.commands.Command;
import org.eclipse.jface.fieldassist.DecoratedField;
import org.eclipse.jface.fieldassist.FieldDecoration;
import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
import org.eclipse.jface.fieldassist.TextControlCreator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.GC;
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.Text;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.talend.core.model.process.ElementParameterParser;
import org.talend.core.model.process.IElementParameter;
import org.talend.core.model.utils.TalendTextUtils;
import org.talend.core.properties.tab.IDynamicProperty;
import org.talend.designer.core.i18n.Messages;
import org.talend.designer.core.model.components.MultiDefaultValuesUtils;
import org.talend.designer.core.ui.editor.cmd.ExecuteSystemCommandCommand;
import org.talend.designer.core.ui.editor.nodes.Node;
import org.talend.designer.core.ui.editor.properties.controllers.creator.SelectAllTextControlCreator;
/**
*
* defined Commands in component. for example:<br/>
*
* in java:<br/>
*
* <PARAMETER NAME="COMMAND" FIELD="COMMAND" NUM_ROW="33">
*
* <DEFAULT IF="CURRENT_OS=='WINDOWS'">"cmd /c \"java -version\""</DEFAULT>
*
* <DEFAULT IF="(CURRENT_OS=='LINUX') or (CURRENT_OS=='UNIX')">"xterm java -version"</DEFAULT>
*
* <DEFAULT >"java -version"</DEFAULT>
*
* </PARAMETER>
*
* <br/>so, if the OS is MacOS, it will use the last "DEFAULT".<br/>
*
* in perl the commands as: 'cmd /c "java -version"' or 'cmd /c echo \'welcome\''.
*/
public class CommandController extends AbstractElementPropertySectionController {
private static final String COMMANDS = "COMMANDS"; //$NON-NLS-1$
private static final String LAUNCH = Messages.getString("CommandController.CommandLabel"); //$NON-NLS-1$
/**
* DOC ggu CommandController constructor comment.
*
* @param dp
*/
public CommandController(IDynamicProperty dp) {
super(dp);
}
@Override
public Control createControl(Composite subComposite, final IElementParameter param, int numInRow, int nbInRow, int top,
Control lastControl) {
this.curParameter = param;
this.paramFieldType = param.getFieldType();
FormData data;
// button
final Button btnCmd = getWidgetFactory().createButton(subComposite, null, SWT.PUSH);
btnCmd.setText(LAUNCH);
data = new FormData();
GC gc = new GC(btnCmd);
Point labelSize = gc.stringExtent(LAUNCH);
gc.dispose();
int currentLabelWidth = STANDARD_BUTTON_WIDTH;
if ((labelSize.x + ITabbedPropertyConstants.HSPACE * 2) > STANDARD_BUTTON_WIDTH) {
currentLabelWidth = labelSize.x + ITabbedPropertyConstants.HSPACE * 2;
}
data.left = new FormAttachment(((numInRow * MAX_PERCENT) / nbInRow), -currentLabelWidth);
data.right = new FormAttachment(((numInRow * MAX_PERCENT) / nbInRow), 0);
data.top = new FormAttachment(0, top);
data.height = STANDARD_HEIGHT + 2;
btnCmd.setLayoutData(data);
btnCmd.setData(PARAMETER_NAME, param.getName());
btnCmd.setData(NAME, COMMANDS);
btnCmd.setData(COMMANDS, checkQuotes((String) param.getValue()));
btnCmd.setEnabled(!param.isReadOnly());
btnCmd.addSelectionListener(btnListenerSelection);
// text
DecoratedField dField = new DecoratedField(subComposite, SWT.BORDER, new SelectAllTextControlCreator());
if (param.isRequired()) {
FieldDecoration decoration = FieldDecorationRegistry.getDefault().getFieldDecoration(
FieldDecorationRegistry.DEC_REQUIRED);
dField.addFieldDecoration(decoration, SWT.RIGHT | SWT.TOP, false);
}
Control cLayout = dField.getLayoutControl();
final Text commandText = (Text) dField.getControl();
commandText.setData(PARAMETER_NAME, param.getName());
cLayout.setBackground(subComposite.getBackground());
commandText.setEditable(!param.isReadOnly());
// init the commands from definded xml
commandText.setText(checkQuotes((String) param.getValue()));
commandText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
String string = checkQuotes(commandText.getText());
param.setValue(string);
btnCmd.setData(COMMANDS, param.getValue());
}
});
editionControlHelper.register(param.getName(), commandText);
addDragAndDropTarget(commandText);
if (elem instanceof Node) {
commandText.setToolTipText(VARIABLE_TOOLTIP + param.getVariableName());
}
hashCurControls.put(param.getName(), commandText);
// label
CLabel labelLabel = getWidgetFactory().createCLabel(subComposite, param.getDisplayName());
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();
currentLabelWidth = STANDARD_LABEL_WIDTH;
gc = new GC(labelLabel);
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.right = new FormAttachment(btnCmd, 0);
data.top = new FormAttachment(btnCmd, 0, SWT.CENTER);
cLayout.setLayoutData(data);
Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
dynamicProperty.setCurRowSize(initialSize.y + ITabbedPropertyConstants.VSPACE);
return btnCmd;
}
@Override
public int estimateRowSize(Composite subComposite, IElementParameter param) {
DecoratedField dField = new DecoratedField(subComposite, SWT.BORDER, new TextControlCreator());
Point initialSize = dField.getLayoutControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
dField.getLayoutControl().dispose();
return initialSize.y + ITabbedPropertyConstants.VSPACE;
}
@Override
public void refresh(IElementParameter param, boolean check) {
}
public void propertyChange(PropertyChangeEvent evt) {
}
private String checkQuotes(final String str) {
if (str == null || "".equals(str)) { //$NON-NLS-1$
return TalendTextUtils.addQuotes(str);
}
return str;
}
private SelectionListener btnListenerSelection = new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent event) {
Command command = createCommand(event);
executeCommand(command);
}
};
private Command createCommand(SelectionEvent event) {
Control ctrl = (Control) event.getSource();
if (ctrl instanceof Button) {
Button btn = (Button) ctrl;
Object valueObj = btn.getData(COMMANDS);
if (valueObj != null && valueObj instanceof String) {
List<String> commandsList = MultiDefaultValuesUtils.parserDefaultValues((String) ElementParameterParser.parse(
elem, (String) valueObj));
if (!commandsList.isEmpty()) {
return new ExecuteSystemCommandCommand(commandsList);
}
}
}
return null;
}
}