1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Eclipse Public License, Version 1.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.eclipse.org/org/documents/epl-v10.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.ide.eclipse.adt.internal.editors.layout.gle2;
17
18import static com.android.SdkConstants.ATTR_ID;
19
20import com.android.ide.common.layout.BaseLayoutRule;
21import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate;
22import com.android.ide.eclipse.adt.internal.editors.layout.uimodel.UiViewElementNode;
23
24import org.eclipse.core.resources.IMarker;
25import org.eclipse.swt.SWT;
26import org.eclipse.swt.graphics.Color;
27import org.eclipse.swt.layout.GridData;
28import org.eclipse.swt.layout.GridLayout;
29import org.eclipse.swt.widgets.Display;
30import org.eclipse.swt.widgets.Label;
31import org.eclipse.swt.widgets.Shell;
32
33import java.util.List;
34
35/** Actual tooltip showing multiple lines for various widgets that have lint errors */
36class LintTooltip extends Shell {
37    private final LayoutCanvas mCanvas;
38    private final List<UiViewElementNode> mNodes;
39
40    LintTooltip(LayoutCanvas canvas, List<UiViewElementNode> nodes) {
41        super(canvas.getDisplay(), SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
42        mCanvas = canvas;
43        mNodes = nodes;
44
45        createContents();
46    }
47
48    protected void createContents() {
49        Display display = getDisplay();
50        Color fg = display.getSystemColor(SWT.COLOR_INFO_FOREGROUND);
51        Color bg = display.getSystemColor(SWT.COLOR_INFO_BACKGROUND);
52        setBackground(bg);
53        GridLayout gridLayout = new GridLayout(2, false);
54        setLayout(gridLayout);
55
56        LayoutEditorDelegate delegate = mCanvas.getEditorDelegate();
57
58        boolean first = true;
59        for (UiViewElementNode node : mNodes) {
60            IMarker marker = delegate.getIssueForNode(node);
61            if (marker != null) {
62                String message = marker.getAttribute(IMarker.MESSAGE, null);
63                if (message != null) {
64                    Label icon = new Label(this, SWT.NONE);
65                    icon.setForeground(fg);
66                    icon.setBackground(bg);
67                    icon.setImage(node.getIcon());
68
69                    Label label = new Label(this, SWT.WRAP);
70                    if (first) {
71                        label.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1));
72                        first = false;
73                    }
74
75                    String id = BaseLayoutRule.stripIdPrefix(node.getAttributeValue(ATTR_ID));
76                    if (id.isEmpty()) {
77                        if (node.getXmlNode() != null) {
78                            id = node.getXmlNode().getNodeName();
79                        } else {
80                            id = node.getDescriptor().getUiName();
81                        }
82                    }
83
84                    label.setText(String.format("%1$s: %2$s", id, message));
85                }
86            }
87        }
88    }
89
90    @Override
91    protected void checkSubclass() {
92        // Disable the check that prevents subclassing of SWT components
93    }
94}
95