69 lines
1.5 KiB
JavaScript
69 lines
1.5 KiB
JavaScript
var _ = require('underscore');
|
|
var WidgetModel = require('../widget-model');
|
|
|
|
/**
|
|
* Model for a histogram widget
|
|
*/
|
|
module.exports = WidgetModel.extend({
|
|
defaults: {
|
|
normalized: true
|
|
},
|
|
|
|
defaultState: _.extend(
|
|
{
|
|
autoStyle: false,
|
|
normalized: false
|
|
},
|
|
WidgetModel.prototype.defaultState
|
|
),
|
|
|
|
initialize: function (attrs, opts) {
|
|
WidgetModel.prototype.initialize.apply(this, arguments);
|
|
this.on('change:collapsed', this._onCollapsedChange, this);
|
|
this.on('change:style', this._updateAutoStyle, this);
|
|
this.dataviewModel.once('change', function () {
|
|
if (this.get('autoStyle')) {
|
|
this.autoStyle();
|
|
}
|
|
}, this);
|
|
},
|
|
|
|
_onCollapsedChange: function (m, isCollapsed) {
|
|
this.dataviewModel.set('enabled', !isCollapsed);
|
|
},
|
|
|
|
getState: function () {
|
|
var state = WidgetModel.prototype.getState.call(this);
|
|
var start = this.dataviewModel.get('start');
|
|
var end = this.dataviewModel.get('end');
|
|
var min = this.get('min');
|
|
var max = this.get('max');
|
|
|
|
var checkRoughEqual = function (a, b) {
|
|
if (_.isNumber(a) && _.isNumber(b) && (a !== b) && Math.abs(a - b) > Math.abs(start - end) * 0.01) {
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
if (checkRoughEqual(start, min)) {
|
|
state.min = min;
|
|
} else {
|
|
delete state.min;
|
|
}
|
|
|
|
if (checkRoughEqual(end, max)) {
|
|
state.max = max;
|
|
} else {
|
|
delete state.max;
|
|
}
|
|
|
|
if (this.get('zoomed') === true) {
|
|
state.zoomed = true;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
});
|