/**
*
* The MIT License
*
* Copyright (c) 2011 the original author or authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.googlecode.charts4j.parameters;
import java.util.List;
import com.googlecode.charts4j.Color;
import com.googlecode.charts4j.collect.ImmutableList;
import com.googlecode.charts4j.collect.Lists;
/**
* Class for building chart fills parameter string for the Google Chart API.
*
* @author Julien Chastang (julien.c.chastang at gmail dot com)
*/
final class ChartFillsParameter extends AbstractParameter {
/** The Google Chart API chart fills parameter. */
private static final String URL_PARAMETER_KEY = "chf";
/** The fills. */
private final List<Fill> fills = Lists.newLinkedList();
/**
* Adds the solid fill.
*
* @param solidFillType
* the solid fill type
* @param color
* the color
*/
void addSolidFill(final SolidFillType solidFillType, final Color color) {
fills.add(new Solid(solidFillType, color));
}
/**
* Adds the linear gradient fill.
*
* @param fillType
* the fill type
* @param angle
* the angle
* @param colorAndOffsets
* the color and offsets
*/
void addLinearGradientFill(final FillType fillType, final int angle, final ImmutableList<? extends ColorAndOffset> colorAndOffsets) {
fills.add(new LinearGradient(fillType, angle, colorAndOffsets));
}
/**
* Adds the linear stripe fill.
*
* @param fillType
* the fill type
* @param angle
* the angle
* @param colorAndWidths
* the color and widths
*/
void addLinearStripeFill(final FillType fillType, final int angle, final ImmutableList<? extends ColorAndWidth> colorAndWidths) {
fills.add(new LinearStripes(fillType, angle, colorAndWidths));
}
/**
* {@inheritDoc}
*/
@Override
public String getKey() {
return URL_PARAMETER_KEY;
}
/**
* {@inheritDoc}
*/
@Override
public String getValue() {
final StringBuilder sb = new StringBuilder();
int cnt = 0;
for (Fill f : fills) {
sb.append(cnt++ > 0 ? "|" : "").append(f);
}
return !fills.isEmpty() ? sb.toString() : "";
}
/**
* The Interface Fill.
*/
private interface Fill {
}
/**
* The Class Solid.
*/
private static final class Solid implements Fill {
/** The solid fill type. */
private final SolidFillType solidFillType;
/** The color. */
private final Color color;
/**
* Instantiates a new solid.
*
* @param solidFillType
* the solid fill type
* @param color
* the color
*/
Solid(final SolidFillType solidFillType, final Color color) {
this.solidFillType = solidFillType;
this.color = color;
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
return solidFillType + ",s," + color;
}
}
/**
* The Class LinearGradient.
*/
private static final class LinearGradient implements Fill {
/** The fill type. */
private final FillType fillType;
/** The angle. */
private final int angle;
/** The color and offsets. */
private final ImmutableList<ColorAndOffset> colorAndOffsets;
/**
* Instantiates a new linear gradient.
*
* @param fillType
* the fill type
* @param angle
* the angle
* @param colorAndOffsets
* the color and offsets
*/
private LinearGradient(final FillType fillType, final int angle, final ImmutableList<? extends ColorAndOffset> colorAndOffsets) {
this.fillType = fillType;
this.angle = angle;
this.colorAndOffsets = Lists.copyOf(colorAndOffsets);
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
int cnt = 0;
for (ColorAndOffset co : colorAndOffsets) {
sb.append(cnt++ > 0 ? "," : "").append(co);
}
return fillType + ",lg," + angle + "," + sb.toString();
}
}
/**
* The Class LinearStripes.
*/
private static final class LinearStripes implements Fill {
/** The fill type. */
private final FillType fillType;
/** The angle. */
private final int angle;
/** The color and widths. */
private final ImmutableList<ColorAndWidth> colorAndWidths;
/**
* Instantiates a new linear stripes.
*
* @param fillType
* the fill type
* @param angle
* the angle
* @param colorAndWidths
* the color and widths
*/
private LinearStripes(final FillType fillType, final int angle, final ImmutableList<? extends ColorAndWidth> colorAndWidths) {
this.fillType = fillType;
this.angle = angle;
this.colorAndWidths = Lists.copyOf(colorAndWidths);
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
int cnt = 0;
for (ColorAndWidth cw : colorAndWidths) {
sb.append(cnt++ > 0 ? ",": "").append(cw);
}
return fillType + ",ls," + angle + "," + sb.toString();
}
}
}