/** * This class provides theming functionality for events in the calendar. * * The colors used for call calendars in an app can be stipulated by overriding this * class. Below is an example override that sets the `colors`, `lightColor`, and * `darkColor` values: * * Ext.define('MyApp.util.MyPalette', { * override: 'Ext.calendar.theme.Theme', * colors: [ * 'rgb(44,151,222)', * 'rgb(233,75,53)', * 'rgb(30,206,109)', * 'rgb(156,86,184)', * 'rgb(60,214,220)', * 'rgb(232,126,3)', * 'rgb(0,189,156)' * ], * lightColor: 'rgb(238,238,238)', * darkColor: 'rgb(34,34,34)' * }); */Ext.define('Ext.calendar.theme.Theme', { singleton: true, requires: ['Ext.util.Color'], /** * @property {String[]} colors * The list of primary colors to use for events. These colors will be used as * defaults if the event or owning calendar does not specify a color. */ colors: [ '#F44336', '#3F51B5', '#4CAF50', '#FF9800', '#E91E63', '#2196F3', '#8BC34A', '#FF5722', '#673AB7', '#009688', '#FFC107', '#607D8B' ], /** * @property {String} lightColor * A complementary color to be used when the primary color is dark. */ lightColor: '#FFFFFF', /** * @property {String} darkColor * A complementary color to be used when the primary color is light. */ darkColor: '#000000', /** * Gererates a color palette from a base color. To be * overriden when providing custom implementations. * @param {Ext.util.Color} color The base color. * @param {Number} color.r The red component. * @param {Number} color.g The green component. * @param {Number} color.b The blue component. * @return {Ext.calendar.theme.Palette} The color palette. * * @protected */ generatePalette: function(color) { var me = this, light = me.light, dark = me.dark, lightColor = me.lightColor, darkColor = me.darkColor, brightness = color.getBrightness(), lightContrast, darkConstrast, secondary; if (!light) { me.light = light = Ext.util.Color.fromString(lightColor); me.dark = dark = Ext.util.Color.fromString(darkColor); } lightContrast = Math.abs(light.getBrightness() - brightness); darkConstrast = Math.abs(dark.getBrightness() - brightness); return { primary: color.toString(), secondary: lightContrast > darkConstrast ? lightColor : darkColor, border: color.createDarker(0.2).toString() } }, /** * Get the base color for a calendar. If one has been previously generated, use * that, otherwise get the next available base color from the specified * {@link #cfg-colors color} sequence. * @param {Ext.data.Model} calendar The calendar. * @return {String} The color */ getBaseColor: function(calendar) { var me = this, map = me.idMap, colors = me.colors, id = calendar.id, color; color = map[id]; if (!color) { color = colors[me.current % colors.length]; map[id] = color; ++me.current; } return color; }, /** * Gets a palette for a base color. * @param {String} color The base color. * @return {Ext.calendar.theme.Palette} The color palette. */ getPalette: function(color) { var map = this.colorMap, palette = map[color], o; if (!palette) { o = Ext.util.Color.fromString(color); map[color] = palette = this.generatePalette(o); } return palette; }, privates: { /** * @property {Object} colorMap * A map of color strings to palettes. * * @private */ colorMap: {}, /** * @property {Object} idMap * A map of calendar id to color. * * @private */ idMap: {}, /** * @property {Number} current * The current index to pull the latest color from. * * @private */ current: 0, /** * React to calendar id changing, update the internal map with * the new id. * @param {Object} newId The new id. * @param {Object} oldId The old id. * * @private */ onIdChanged: function(newId, oldId) { var map = this.idMap, val = map[oldId]; if (val) { delete map[oldId]; map[newId] = val; } } }});