Skip to main content
summaryrefslogtreecommitdiffstats
blob: 4e3db84a11e6cc2bba5e6570d8bcbfcb8ec7b424 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*******************************************************************************
 * Copyright (c) 2010-2014 BestSolution.at and others.
 * 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:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 *     Andrej ten Brummelhuis <andrejbrummelhuis@gmail.com> - Bug 395283
 ******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs;

import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.e4.tools.emf.ui.common.IExtensionLookup;
import org.eclipse.e4.tools.emf.ui.internal.Messages;
import org.eclipse.e4.tools.emf.ui.internal.PatternFilter;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory;
import org.eclipse.e4.ui.model.application.ui.MCoreExpression;
import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class ExpressionIdDialog extends SaveDialogBoundsSettingsDialog {
	private IExtensionLookup lookup;
	private TableViewer viewer;
	private EditingDomain domain;
	private MCoreExpression expression;
	private boolean liveModel;
	private Messages Messages;

	public ExpressionIdDialog(Shell parentShell, IExtensionLookup lookup, MCoreExpression expression, EditingDomain domain, boolean liveModel, Messages Messages) {
		super(parentShell);
		this.lookup = lookup;
		this.expression = expression;
		this.domain = domain;
		this.liveModel = liveModel;
		this.Messages = Messages;
	}

	@Override
	protected Control createDialogArea(Composite parent) {
		getShell().setText(Messages.ExpressionIdDialog_ShellTitle);
		setTitle(Messages.ExpressionIdDialog_DialogTitle);
		setMessage(Messages.ExpressionIdDialog_DialogMessage);
		Composite comp = (Composite) super.createDialogArea(parent);
		Composite container = new Composite(comp, SWT.NONE);
		container.setLayoutData(new GridData(GridData.FILL_BOTH));
		container.setLayout(new GridLayout(2, false));

		Label l = new Label(container, SWT.NONE);
		l.setText(Messages.ExpressionIdDialog_Id);

		Text idField = new Text(container, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH);
		idField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		final PatternFilter filter = new PatternFilter() {
			@Override
			protected boolean isParentMatch(Viewer viewer, Object element) {
				return viewer instanceof AbstractTreeViewer && super.isParentMatch(viewer, element);
			}
		};

		l = new Label(container, SWT.NONE);
		viewer = new TableViewer(container);
		viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
		viewer.setContentProvider(new ArrayContentProvider());
		viewer.setLabelProvider(new LabelProviderImpl());
		viewer.addFilter(filter);
		viewer.setInput(getElements(lookup));
		viewer.addDoubleClickListener(new IDoubleClickListener() {

			@Override
			public void doubleClick(DoubleClickEvent event) {
				okPressed();
			}
		});

		ControlFactory.attachFiltering(idField, viewer, filter);

		return comp;
	}

	@Override
	protected void okPressed() {
		if (!viewer.getSelection().isEmpty()) {
			IConfigurationElement el = (IConfigurationElement) ((IStructuredSelection) viewer.getSelection()).getFirstElement();
			Command cmd = SetCommand.create(domain, expression, UiPackageImpl.Literals.CORE_EXPRESSION__CORE_EXPRESSION_ID, el.getAttribute("id")); //$NON-NLS-1$
			if (cmd.canExecute()) {
				domain.getCommandStack().execute(cmd);
				super.okPressed();
			}
		}
	}

	private List<IConfigurationElement> getElements(IExtensionLookup lookup) {
		List<IConfigurationElement> list = new ArrayList<IConfigurationElement>();
		for (IExtension ext : lookup.findExtensions("org.eclipse.core.expressions.definitions", liveModel)) { //$NON-NLS-1$
			for (IConfigurationElement el : ext.getConfigurationElements()) {
				list.add(el);
			}
		}
		return list;
	}

	static class LabelProviderImpl extends StyledCellLabelProvider implements ILabelProvider {
		@Override
		public void update(ViewerCell cell) {
			IConfigurationElement el = (IConfigurationElement) cell.getElement();
			StyledString str = new StyledString(el.getAttribute("id")); //$NON-NLS-1$
			str.append(" - " + el.getContributor().getName(), StyledString.DECORATIONS_STYLER); //$NON-NLS-1$
			cell.setText(str.getString());
			cell.setStyleRanges(str.getStyleRanges());
		}

		@Override
		public Image getImage(Object element) {
			return null;
		}

		@Override
		public String getText(Object element) {
			IConfigurationElement el = (IConfigurationElement) element;
			return el.getAttribute("id") + " " + el.getContributor().getName(); //$NON-NLS-1$//$NON-NLS-2$
		}
	}
}

Back to the top