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      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  */
     16 package com.android.ide.eclipse.adt.internal.editors.layout.gle2;
     17 
     18 import static com.android.SdkConstants.ATTR_ID;
     19 
     20 import com.android.ide.common.layout.BaseLayoutRule;
     21 import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate;
     22 import com.android.ide.eclipse.adt.internal.editors.layout.uimodel.UiViewElementNode;
     23 
     24 import org.eclipse.core.resources.IMarker;
     25 import org.eclipse.swt.SWT;
     26 import org.eclipse.swt.graphics.Color;
     27 import org.eclipse.swt.layout.GridData;
     28 import org.eclipse.swt.layout.GridLayout;
     29 import org.eclipse.swt.widgets.Display;
     30 import org.eclipse.swt.widgets.Label;
     31 import org.eclipse.swt.widgets.Shell;
     32 
     33 import java.util.List;
     34 
     35 /** Actual tooltip showing multiple lines for various widgets that have lint errors */
     36 class 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