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- /*
- * Copyright 2011 gitblit.com.
- *
- * 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.gitblit.wicket.charting;
-
- import java.io.Serializable;
- import java.util.ArrayList;
- import java.util.List;
-
- import com.gitblit.utils.StringUtils;
-
- /**
- * Abstract parent class for Google Charts built with the Visualization API.
- *
- * @author James Moger
- *
- */
- public abstract class GoogleChart implements Serializable {
-
- private static final long serialVersionUID = 1L;
- final String tagId;
- final String dataName;
- final String title;
- final String keyName;
- final String valueName;
- final List<ChartValue> values;
- int width;
- int height;
- boolean showLegend;
-
- public GoogleChart(String tagId, String title, String keyName, String valueName) {
- this.tagId = tagId;
- this.dataName = StringUtils.getSHA1(title).substring(0, 8);
- this.title = title;
- this.keyName = keyName;
- this.valueName = valueName;
- values = new ArrayList<ChartValue>();
- showLegend = true;
- }
-
- public void setWidth(int width) {
- this.width = width;
- }
-
- public void setHeight(int height) {
- this.height = height;
- }
-
- public void setShowLegend(boolean val) {
- this.showLegend = val;
- }
-
- public void addValue(String name, int value) {
- values.add(new ChartValue(name, value));
- }
-
- public void addValue(String name, float value) {
- values.add(new ChartValue(name, value));
- }
-
- public void addValue(String name, double value) {
- values.add(new ChartValue(name, (float) value));
- }
-
- protected abstract void appendChart(StringBuilder sb);
-
- protected void line(StringBuilder sb, String line) {
- sb.append(line);
- sb.append('\n');
- }
-
- protected class ChartValue implements Serializable, Comparable<ChartValue> {
-
- private static final long serialVersionUID = 1L;
-
- final String name;
- final float value;
-
- ChartValue(String name, float value) {
- this.name = name;
- this.value = value;
- }
-
- @Override
- public int compareTo(ChartValue o) {
- // sorts the dataset by largest value first
- if (value > o.value) {
- return -1;
- } else if (value < o.value) {
- return 1;
- }
- return 0;
- }
- }
- }
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