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/*******************************************************************************
* Copyright (c) 2011 protos software gmbh (http://www.protos.de).
* 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:
* Henrik Rentz-Reichert (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.ui.behavior.dialogs;
import java.util.HashSet;
import org.eclipse.etrice.core.room.ActorClass;
import org.eclipse.etrice.core.room.Attribute;
import org.eclipse.etrice.core.room.Operation;
import org.eclipse.etrice.core.room.Port;
import org.eclipse.etrice.ui.behavior.dialogs.PortMessageSelectionDialog.MsgItemPair;
import org.eclipse.etrice.ui.behavior.dialogs.PortMessageSelectionDialog.OperationItemPair;
import org.eclipse.etrice.ui.behavior.support.SupportUtil;
import org.eclipse.etrice.ui.common.dialogs.AbstractPropertyDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
* @author Henrik Rentz-Reichert
*
*/
public abstract class AbstractMemberAwarePropertyDialog extends AbstractPropertyDialog {
private class LastTextListener implements FocusListener {
@Override
public void focusGained(FocusEvent e) {
if (e.getSource() instanceof Text) {
boolean enableMemberButton = memberAware.contains(e.getSource());
boolean enableMessageButton = messageAware.contains(e.getSource());
if (enableMemberButton || enableMessageButton)
lastTextField = (Text) e.getSource();
else
lastTextField = null;
members.setEnabled(enableMemberButton);
messages.setEnabled(enableMessageButton);
}
else {
lastTextField = null;
members.setEnabled(false);
messages.setEnabled(false);
}
}
@Override
public void focusLost(FocusEvent e) {
}
}
private Text lastTextField = null;
private Button members;
private Button messages;
private ActorClass ac;
private LastTextListener listener = new LastTextListener();
private HashSet<Control> memberAware = new HashSet<Control>();
private HashSet<Control> messageAware = new HashSet<Control>();
private HashSet<Control> recvOnly = new HashSet<Control>();
/**
* @param shell
* @param title
* @param ac
*/
public AbstractMemberAwarePropertyDialog(Shell shell, String title, ActorClass ac) {
super(shell, title);
this.ac = ac;
}
/**
* @return the ac
*/
public ActorClass getActorClass() {
return ac;
}
/**
* @param body
*/
protected void createMembersAndMessagesButtons(Composite body) {
Composite buttonsArea = getToolkit().createComposite(body);
buttonsArea.setLayout(new GridLayout(2, true));
GridData gd = new GridData();
gd.grabExcessHorizontalSpace = true;
gd.horizontalAlignment = GridData.FILL;
gd.horizontalSpan = 2;
buttonsArea.setLayoutData(gd);
members = new Button(buttonsArea, SWT.PUSH);
members.setText("Mem&bers");
gd = new GridData();
gd.grabExcessHorizontalSpace = true;
gd.horizontalAlignment = GridData.FILL;
members.setLayoutData(gd);
members.setEnabled(false);
members.addSelectionListener(new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
handleMembersPressed();
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {
handleMembersPressed();
}
});
messages = new Button(buttonsArea, SWT.PUSH);
messages.setText("Me&ssages");
gd = new GridData();
gd.grabExcessHorizontalSpace = true;
gd.horizontalAlignment = GridData.FILL;
messages.setLayoutData(gd);
messages.setEnabled(false);
messages.addSelectionListener(new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
handleMessagesPressed();
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {
handleMessagesPressed();
}
});
}
protected void handleMembersPressed() {
MemberSelectionDialog dlg = new MemberSelectionDialog(getShell(), ac);
if (dlg.open()==Window.OK) {
Object selected = dlg.getSelected();
if (selected instanceof Attribute)
insertText(((Attribute)selected).getName());
else if (selected instanceof Operation) {
String typedArgumentList = SupportUtil.getInstance().getRoomNameProvider().getTypedArgumentList((Operation) selected);
insertText(((Operation)selected).getName()+typedArgumentList);
}
}
}
protected void handleMessagesPressed() {
boolean receiveOnly = recvOnly.contains(lastTextField);
PortMessageSelectionDialog dlg = new PortMessageSelectionDialog(getShell(), ac, receiveOnly);
if (dlg.open()==Window.OK) {
if (dlg.getMethodItemPair()!=null) {
if (dlg.getMethodItemPair() instanceof MsgItemPair) {
MsgItemPair pair = (MsgItemPair) dlg.getMethodItemPair();
if (pair.out) {
String data = pair.msg.getData()!=null? pair.msg.getData().getName() : "";
String index = "";
if (pair.item instanceof Port && ((Port)pair.item).getMultiplicity()!=1)
index = "[idx]";
insertText(pair.item.getName()+index+"."+pair.msg.getName()+"("+data+")");
}
else
insertText(pair.item.getName()+"."+pair.msg.getName());
}
if (dlg.getMethodItemPair() instanceof OperationItemPair) {
OperationItemPair pair = (OperationItemPair) dlg.getMethodItemPair();
String arglist = SupportUtil.getInstance().getRoomNameProvider().getArguments(pair.op);
insertText(pair.item.getName()+"."+pair.op.getName()+arglist);
}
}
}
}
private void insertText(String txt) {
if (lastTextField!=null) {
int begin = txt.indexOf('(');
int end = txt.indexOf(')');
int offset = lastTextField.getSelection().x;
lastTextField.insert(txt);
if (begin>=0 && end>=0 && end>begin+1)
lastTextField.setSelection(offset+begin+1, offset+end);
lastTextField.setFocus();
}
}
public void configureMemberAware(Control ctrl) {
configureMemberAware(ctrl, false, false);
}
public void configureMemberAware(Control ctrl, boolean useMembers, boolean useMessages) {
configureMemberAware(ctrl, useMembers, useMembers, false);
}
public void configureMemberAware(Control ctrl, boolean useMembers, boolean useMessages, boolean useRecvMessagesOnly) {
if (useMembers)
memberAware.add(ctrl);
if (useMessages)
messageAware.add(ctrl);
if (useRecvMessagesOnly)
recvOnly.add(ctrl);
ctrl.addFocusListener(listener);
}
}
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