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Java example source code file (Chart.ts)

This example Java source code file (Chart.ts) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

component, componenttype, margin, stylechart, styletext, usually

The Chart.ts Java example source code

 *  * Copyright 2016 Skymind,Inc.
 *  *
 *  *    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.
/// <reference path="../../api/Component.ts" />
/// <reference path="../../typedefs/d3.d.ts" />
/// <reference path="../../util/TSUtils.ts" />

import Ordinal = d3.scale.Ordinal;

abstract class Chart extends Component {

    protected style: StyleChart;

    protected title: string;
    protected suppressAxisHorizontal: boolean;
    protected suppressAxisVertical: boolean;
    protected showLegend: boolean;

    protected setXMin: number;
    protected setXMax: number;
    protected setYMin: number;
    protected setYMax: number;

    protected gridVerticalStrokeWidth: number;
    protected gridHorizontalStrokeWidth: number;

    constructor(componentType: ComponentType, jsonStr: string){

        var jsonOrig: any = JSON.parse(jsonStr);
        var json = JSON.parse(jsonStr);
        if(!json["componentType"]) json = json[ComponentType[componentType]];   //Usually: expect type as wrapper object

        this.suppressAxisHorizontal = json['suppressAxisHorizontal'];
        this.suppressAxisVertical = json['suppressAxisVertical'];
        this.showLegend = json['showLegend'];

        this.title = json['title'];
        this.setXMin = json['setXMin'];
        this.setXMax = json['setXMax'];
        this.setYMin = json['setYMin'];
        this.setYMax = json['setYMax'];

        this.gridVerticalStrokeWidth = json['gridVerticalStrokeWidth'];
        this.gridHorizontalStrokeWidth = json['gridHorizontalStrokeWidth'];

        if(json['style']) this.style = new StyleChart(json['style']);

    getStyle(): StyleChart {
        return this.style;

    protected static appendTitle(svg: any, title: string, margin: Margin, titleStyle: StyleText): void{
        var text = svg.append("text")
            .attr("x", (margin.widthExMargins / 2))
            .attr("y", 0 - ((margin.top - 30) / 2))
            .attr("text-anchor", "middle");

            if(titleStyle.getFont()) text.attr("font-family",titleStyle.getFont);
            if(titleStyle.getFontSize() != null) text.attr("font-size",titleStyle.getFontSize()+"pt");
            if(titleStyle.getUnderline() != null) text.style("text-decoration", "underline");
            if(titleStyle.getColor()) text.style("fill",titleStyle.getColor);
            else text.style("fill",ChartConstants.DEFAULT_TITLE_COLOR);
        } else {
            text.style("text-decoration", "underline");

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