/* eslint-disable max-len *//** * @class Ext.chart.interactions.Rotate * @extends Ext.chart.interactions.Abstract * * The Rotate interaction allows the user to rotate a polar chart about its central point. * * @example * Ext.create('Ext.Container', { * renderTo: Ext.getBody(), * width: 600, * height: 400, * layout: 'fit', * items: { * xtype: 'polar', * interactions: 'rotate', * colors: ["#115fa6", "#94ae0a", "#a61120", "#ff8809", "#ffd13e"], * store: { * fields: ['name', 'data1', 'data2', 'data3', 'data4', 'data5'], * data: [ * {'name':'metric one', 'data1':10, 'data2':12, 'data3':14, 'data4':8, 'data5':13}, * {'name':'metric two', 'data1':7, 'data2':8, 'data3':16, 'data4':10, 'data5':3}, * {'name':'metric three', 'data1':5, 'data2':2, 'data3':14, 'data4':12, 'data5':7}, * {'name':'metric four', 'data1':2, 'data2':14, 'data3':6, 'data4':1, 'data5':23}, * {'name':'metric five', 'data1':27, 'data2':38, 'data3':36, 'data4':13, 'data5':33} * ] * }, * series: { * type: 'pie', * label: { * field: 'name', * display: 'rotate' * }, * xField: 'data3', * donut: 30 * } * } * }); *//* eslint-enable max-len */Ext.define('Ext.chart.interactions.Rotate', { extend: 'Ext.chart.interactions.Abstract', type: 'rotate', alternateClassName: 'Ext.chart.interactions.RotatePie3D', alias: [ 'interaction.rotate', 'interaction.rotatePie3d' ], /** * @event rotate * Fires on every tick of the rotation. * @param {Ext.chart.interactions.Rotate} this This interaction. * @param {Number} angle The new current rotation angle. */ /** * @event rotatestart * Fires when a user initiates the rotation. * @param {Ext.chart.interactions.Rotate} this This interaction. * @param {Number} angle The new current rotation angle. */ /** * @event rotateend * Fires after a user finishes the rotation. * @param {Ext.chart.interactions.Rotate} this This interaction. * @param {Number} angle The new current rotation angle. */ /** * @deprecated 6.5.1 Use the 'rotateend' event instead. * @event rotationEnd * Fires after a user finishes the rotation * @param {Ext.chart.interactions.Rotate} this This interaction. * @param {Number} angle The new current rotation angle. */ config: { /** * @cfg {String} gesture * Defines the gesture type that will be used to rotate the chart. Currently only * supports `pinch` for two-finger rotation and `drag` for single-finger rotation. * @private */ gesture: 'rotate', gestures: { dragstart: 'onGestureStart', drag: 'onGesture', dragend: 'onGestureEnd' }, /** * @cfg {Number} rotation * Saves the current rotation of the series. Accepts negative values * and values > 360 ( / 180 * Math.PI) * @private */ rotation: 0 }, oldRotations: null, getAngle: function(e) { var me = this, chart = me.getChart(), xy = chart.getEventXY(e), center = chart.getCenter(); return Math.atan2( xy[1] - center[1], xy[0] - center[0] ); }, onGestureStart: function(e) { var me = this; e.claimGesture(); me.lockEvents('drag'); me.angle = me.getAngle(e); me.oldRotations = {}; me.getChart().suspendAnimation(); me.fireEvent('rotatestart', me, me.getRotation()); return false; }, onGesture: function(e) { var me = this, angle = me.getAngle(e) - me.angle; if (me.getLocks().drag === me) { me.doRotateTo(angle, true); return false; } }, /** * @private */ doRotateTo: function(angle, relative) { var me = this, chart = me.getChart(), axes = chart.getAxes(), seriesList = chart.getSeries(), oldRotations = me.oldRotations, rotation, oldRotation, axis, series, id, i, ln; for (i = 0, ln = axes.length; i < ln; i++) { axis = axes[i]; id = axis.getId(); oldRotation = oldRotations[id] || (oldRotations[id] = axis.getRotation()); rotation = angle + (relative ? oldRotation : 0); axis.setRotation(rotation); } for (i = 0, ln = seriesList.length; i < ln; i++) { series = seriesList[i]; id = series.getId(); oldRotation = oldRotations[id] || (oldRotations[id] = series.getRotation()); // Unline axis's 'rotation', Polar series' 'rotation' is a public config and in degrees. rotation = Ext.draw.Draw.degrees(angle + (relative ? oldRotation : 0)); series.setRotation(rotation); } me.setRotation(rotation); me.fireEvent('rotate', me, me.getRotation()); me.sync(); }, /** * Rotates a polar chart about its center point to the specified angle. * @param {Number} angle The angle to rotate to. * @param {Boolean} [relative=false] Whether the rotation is relative to the current angle * or not. * @param {Boolean} [animate=false] Whether to animate the rotation or not. */ rotateTo: function(angle, relative, animate) { var me = this, chart = me.getChart(); if (!animate) { chart.suspendAnimation(); } me.doRotateTo(angle, relative, animate); me.oldRotations = {}; if (!animate) { chart.resumeAnimation(); } }, onGestureEnd: function(e) { var me = this; if (me.getLocks().drag === me) { me.onGesture(e); me.unlockEvents('drag'); me.getChart().resumeAnimation(); me.fireEvent('rotateend', me, me.getRotation()); me.fireEvent('rotationEnd', me, me.getRotation()); return false; } }});