/**
* This method sets the automatically computed colors for the legend. Use setCustom(...) to set
* custom colors.
*
* @param colors
*/
public void setComputedColors(List<Integer> colors) {
if (mColors != null && colors.size() == mColors.length) {
Utils.copyIntegers(colors, mColors);
} else {
mColors = Utils.convertIntegers(colors);
}
}
/**
* Sets a custom legend's labels and colors arrays. The colors count should match the labels
* count. * Each color is for the form drawn at the same index. * A null label will start a group.
* * A ColorTemplate.COLOR_SKIP color will avoid drawing a form This will disable the feature that
* automatically calculates the legend labels and colors from the datasets. Call resetCustom() to
* re-enable automatic calculation (and then notifyDataSetChanged() is needed to auto-calculate
* the legend again)
*/
public void setCustom(List<Integer> colors, List<String> labels) {
if (colors.size() != labels.size()) {
throw new IllegalArgumentException("colors array and labels array need to be of same size");
}
mColors = Utils.convertIntegers(colors);
mLabels = Utils.convertStrings(labels);
mIsLegendCustom = true;
}
/**
* Colors and labels that will be appended to the end of the auto calculated colors and labels
* arrays after calculating the legend. (if the legend has already been calculated, you will need
* to call notifyDataSetChanged() to let the changes take effect)
*/
public void setExtra(List<Integer> colors, List<String> labels) {
if (mExtraColors != null && mExtraColors.length == colors.size()) {
Utils.copyIntegers(colors, mExtraColors);
} else {
this.mExtraColors = Utils.convertIntegers(colors);
}
if (mExtraLabels != null && mExtraLabels.length == labels.size()) {
Utils.copyStrings(labels, mExtraLabels);
} else {
this.mExtraLabels = Utils.convertStrings(labels);
}
}
/**
* Constructor. Provide colors and labels for the legend.
*
* @param colors
* @param labels
*/
public Legend(List<Integer> colors, List<String> labels) {
this();
if (colors == null || labels == null) {
throw new IllegalArgumentException("colors array or labels array is NULL");
}
if (colors.size() != labels.size()) {
throw new IllegalArgumentException("colors array and labels array need to be of same size");
}
this.mColors = Utils.convertIntegers(colors);
this.mLabels = Utils.convertStrings(labels);
}