StateLabelProvider.java

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.ide.eclipse.gltrace.editors;

import com.android.ide.eclipse.gltrace.state.GLListProperty;
import com.android.ide.eclipse.gltrace.state.GLSparseArrayProperty;
import com.android.ide.eclipse.gltrace.state.GLStateType;
import com.android.ide.eclipse.gltrace.state.IGLProperty;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Display;

import java.util.Set;

public class StateLabelProvider extends ColumnLabelProvider {
    private Set<IGLProperty> mChangedProperties;

    private Color mHighlightForegroundColor;
    private Color mNormalForegroundColor;

    public StateLabelProvider() {
        mHighlightForegroundColor = Display.getDefault().getSystemColor(SWT.COLOR_BLUE);
        mNormalForegroundColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
    }

    public String getColumnText(IGLProperty property, int columnIndex) {
        switch (columnIndex) {
            case 0:
                return getName(property);
            case 1:
                return getValue(property);
            default:
                return "";
        }
    }

    private String getValue(IGLProperty element) {
        return element.getStringValue();
    }

    private String getName(IGLProperty element) {
        IGLProperty parent = element.getParent();
        if (parent instanceof GLListProperty) {
            // For members of list, use the index in the list as the name as opposed to
            // the property type
            int index = ((GLListProperty) parent).indexOf(element);
            if (element.getType() == GLStateType.GL_STATE_ES1) {
                return String.format("Context %d (ES1)", index);
            } else if (element.getType() == GLStateType.GL_STATE_ES2) {
                return String.format("Context %d (ES2)", index);
            } else {
                return Integer.toString(index);
            }
        } else if (parent instanceof GLSparseArrayProperty) {
            // For members of sparse array, use the key as the name as opposed to
            // the property type
            int index = ((GLSparseArrayProperty) parent).keyFor(element);
            return Integer.toString(index);
        }

        return element.getType().getDescription();
    }

    @Override
    public void update(ViewerCell cell) {
        Object element = cell.getElement();
        if (!(element instanceof IGLProperty)) {
            return;
        }

        IGLProperty prop = (IGLProperty) element;

        String text = getColumnText(prop, cell.getColumnIndex());
        cell.setText(text);

        if (mChangedProperties != null && mChangedProperties.contains(prop)) {
            cell.setForeground(mHighlightForegroundColor);
        } else {
            cell.setForeground(mNormalForegroundColor);
        }
    }

    public void setChangedProperties(Set<IGLProperty> changedProperties) {
        mChangedProperties = changedProperties;
    }
}