/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* 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 org.dashbuilder.renderer.google.client;
import java.util.List;
public abstract class GoogleCategoriesDisplayer<V extends GoogleCategoriesDisplayer.View> extends GoogleChartDisplayer<V> {
public interface View<P extends GoogleCategoriesDisplayer> extends GoogleChartDisplayer.View<P> {
void setFilterEnabled(boolean filterEnabled);
void setBgColor(String bgColor);
void setShowXLabels(boolean showXLabels);
void setShowYLabels(boolean showYLabels);
void setXAxisTitle(String xAxisTitle);
void setYAxisTitle(String yAxisTitle);
void setColors(String[] colors);
void setAnimationOn(boolean animationOn);
void setAnimationDuration(int animationDuration);
void createChart();
void nodata();
void drawChart();
}
public static final String[] COLOR_ARRAY = new String[] {
"blue", "red", "orange", "brown", "coral", "aqua", "fuchsia", "gold",
"green", "lime", "magenta", "pink", "silver", "yellow"};
public static final String COLOR_NOT_SELECTED = "grey";
protected String[] createColorArray() {
String[] colorArray = new String[dataSet.getRowCount()];
for (int i = 0, j = 0; i < dataSet.getRowCount(); i++, j++) {
if (j >= COLOR_ARRAY.length) j = 0;
colorArray[i] = COLOR_ARRAY[j];
List<Integer> selectedIdxs = filterIndexes(dataSet.getColumnByIndex(0).getId());
if (!displayerSettings.isFilterSelfApplyEnabled()
&& selectedIdxs != null
&& !selectedIdxs.isEmpty() && !selectedIdxs.contains(i)) {
colorArray[i] = COLOR_NOT_SELECTED;
}
}
return colorArray;
}
@Override
protected void createVisualization() {
super.createVisualization();
getView().createChart();
getView().setAnimationOn(true);
getView().setAnimationDuration(700);
getView().setFilterEnabled(displayerSettings.isFilterEnabled());
getView().setBgColor(displayerSettings.getChartBackgroundColor());
getView().setShowXLabels(displayerSettings.isXAxisShowLabels());
getView().setShowYLabels(displayerSettings.isYAxisShowLabels());
getView().setXAxisTitle(displayerSettings.getXAxisTitle());
getView().setYAxisTitle(displayerSettings.getYAxisTitle());
getView().setColors(createColorArray());
drawChart();
}
@Override
protected void updateVisualization() {
super.updateFilterStatus();
drawChart();
}
protected void drawChart() {
if (dataSet.getRowCount() == 0) {
getView().nodata();
} else {
super.pushDataToView();
getView().drawChart();
}
}
// View notifications
public void onCategorySelected(String columnId, int row) {
Integer maxSelections = displayerSettings.isFilterSelfApplyEnabled() ? null : dataSet.getRowCount();
filterUpdate(columnId, row, maxSelections);
// Update the displayer in order to reflect the current selection
// (only if not has already been redrawn as part of the drill-down processing in the above filterUpdate() call)
if (!displayerSettings.isFilterSelfApplyEnabled()) {
updateVisualization();
}
}
}