YAxis.java :  » GWT » gjofc » com » google » gjofc » axis » Java Open Source

/*
Copyright (C) 2009 Grant Slender

This file is part of OFCGWT.
http://code.google.com/p/ofcgwt/

OFCGWT is free software: you can redistribute it and/or modify
it under the terms of the Lesser GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.

OFCGWT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

See <http://www.gnu.org/licenses/lgpl-3.0.txt>.
 */
package com.google.gjofc.axis;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import com.google.gjofc.JSONizable;
import com.google.gjson.JSONArray;
import com.google.gjson.JSONBoolean;
import com.google.gjson.JSONNumber;
import com.google.gjson.JSONObject;
import com.google.gjson.JSONString;
import com.google.gjson.JSONValue;

/**
 * OFC y-axis
 */
public class YAxis extends AbstractAxis implements JSONizable {

  private Integer tickLength;
  private Boolean logscale;
  private List<String> labels;

  /**
   * Adds the labels.
   * 
   * @param labels
   *            the labels
   */
  public void addLabels(List<String> labels) {
    checkLabelsNotNull();
    this.labels.addAll(labels);
  }

  /**
   * Adds the labels.
   * 
   * @param labels
   *            the labels
   */
  public void addLabels(String... labels) {
    checkLabelsNotNull();
    this.labels.addAll(Arrays.asList(labels));
  }

  /*
   * (non-Javadoc)
   * 
   * @see com.rednels.ofcgwt.client.model.axis.AbstractAxis.buildJSON()
   */
  public JSONValue buildJSON() {
    JSONObject json = (JSONObject) super.buildJSON();
    if (tickLength != null) json.put("tick-length", new JSONNumber(tickLength));
    if (logscale != null) json.put("log-scale", JSONBoolean.getInstance(logscale));
    if (labels == null) return json;
    JSONArray ary = new JSONArray();
    int index = 0;
    for (String o : labels) {
      ary.set(index++, new JSONString(o));
    }
    if (index != 0) json.put("labels", ary);
    return json;
  }

  /**
   * Gets the labels.
   * 
   * @return the labels
   */
  public List<String> getLabels() {
    return labels;
  }

  /**
   * Gets the log scale.
   * 
   * @return the logscale
   */
  public Boolean getLogScale() {
    return logscale;
  }

  /**
   * Gets the tick length.
   * 
   * @return the tick length
   */
  public Integer getTickLength() {
    return tickLength;
  }

  /**
   * Sets the labels.
   * 
   * @param labels
   *            the new labels
   */
  public void setLabels(List<String> labels) {
    this.labels = labels;
  }

  /**
   * Sets the labels.
   * 
   * @param labels
   *            the new labels
   */
  public void setLabels(String... labels) {
    setLabels(Arrays.asList(labels));
  }

  /**
   * Sets the tick length.
   * 
   * @param tick_length
   *            the new tick length
   */
  public void setTickLength(Integer tick_length) {
    this.tickLength = tick_length;
  }

  /**
   * Sets the log scale.
   * 
   * @param logscale
   *            the logscale
   */
  public void setVisible(Boolean logscale) {
    this.logscale = logscale;
  }

  /**
   * Check labels not null.
   */
  private synchronized void checkLabelsNotNull() {
    if (labels == null) labels = new ArrayList<String>();
  }
}