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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
      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 
     17 package com.android.ide.eclipse.gltrace.editors;
     18 
     19 import com.android.ide.eclipse.gltrace.state.GLListProperty;
     20 import com.android.ide.eclipse.gltrace.state.GLSparseArrayProperty;
     21 import com.android.ide.eclipse.gltrace.state.GLStateType;
     22 import com.android.ide.eclipse.gltrace.state.IGLProperty;
     23 
     24 import org.eclipse.jface.viewers.ColumnLabelProvider;
     25 import org.eclipse.jface.viewers.ViewerCell;
     26 import org.eclipse.swt.SWT;
     27 import org.eclipse.swt.graphics.Color;
     28 import org.eclipse.swt.widgets.Display;
     29 
     30 import java.util.Set;
     31 
     32 public class StateLabelProvider extends ColumnLabelProvider {
     33     private Set<IGLProperty> mChangedProperties;
     34 
     35     private Color mHighlightForegroundColor;
     36     private Color mNormalForegroundColor;
     37 
     38     public StateLabelProvider() {
     39         mHighlightForegroundColor = Display.getDefault().getSystemColor(SWT.COLOR_BLUE);
     40         mNormalForegroundColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
     41     }
     42 
     43     public String getColumnText(IGLProperty property, int columnIndex) {
     44         switch (columnIndex) {
     45             case 0:
     46                 return getName(property);
     47             case 1:
     48                 return getValue(property);
     49             default:
     50                 return "";
     51         }
     52     }
     53 
     54     private String getValue(IGLProperty element) {
     55         return element.getStringValue();
     56     }
     57 
     58     private String getName(IGLProperty element) {
     59         IGLProperty parent = element.getParent();
     60         if (parent instanceof GLListProperty) {
     61             // For members of list, use the index in the list as the name as opposed to
     62             // the property type
     63             int index = ((GLListProperty) parent).indexOf(element);
     64             if (element.getType() == GLStateType.GL_STATE_ES1) {
     65                 return String.format("Context %d (ES1)", index);
     66             } else if (element.getType() == GLStateType.GL_STATE_ES2) {
     67                 return String.format("Context %d (ES2)", index);
     68             } else {
     69                 return Integer.toString(index);
     70             }
     71         } else if (parent instanceof GLSparseArrayProperty) {
     72             // For members of sparse array, use the key as the name as opposed to
     73             // the property type
     74             int index = ((GLSparseArrayProperty) parent).keyFor(element);
     75             return Integer.toString(index);
     76         }
     77 
     78         return element.getType().getDescription();
     79     }
     80 
     81     @Override
     82     public void update(ViewerCell cell) {
     83         Object element = cell.getElement();
     84         if (!(element instanceof IGLProperty)) {
     85             return;
     86         }
     87 
     88         IGLProperty prop = (IGLProperty) element;
     89 
     90         String text = getColumnText(prop, cell.getColumnIndex());
     91         cell.setText(text);
     92 
     93         if (mChangedProperties != null && mChangedProperties.contains(prop)) {
     94             cell.setForeground(mHighlightForegroundColor);
     95         } else {
     96             cell.setForeground(mNormalForegroundColor);
     97         }
     98     }
     99 
    100     public void setChangedProperties(Set<IGLProperty> changedProperties) {
    101         mChangedProperties = changedProperties;
    102     }
    103 }
    104