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feat(params): Add uiOnParamsChanged controller callback
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,117 +1,37 @@ | ||
| /** @module params */ /** for typedoc */ | ||
| import {forEach, ancestors, extend, copy, pick, omit} from "../common/common"; | ||
| import {extend, ancestors} from "../common/common"; | ||
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| export class StateParams { | ||
| constructor(params: Object = {}) { | ||
| extend(this, params); | ||
| } | ||
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| $digest() {} | ||
| $inherit(newParams, $current, $to) {} | ||
| $set(params, url) {} | ||
| $sync() {} | ||
| $off() {} | ||
| $raw() {} | ||
| $localize(state, params) {} | ||
| $observe(key: string, fn: Function) {} | ||
| } | ||
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| export function stateParamsFactory() { | ||
| let observers = {}, current = {}; | ||
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| function unhook(key, func) { | ||
| return () => { | ||
| forEach(key.split(" "), k => observers[k].splice(observers[k].indexOf(func), 1)); | ||
| }; | ||
| } | ||
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| function observeChange(key, val?: any) { | ||
| if (!observers[key] || !observers[key].length) return; | ||
| forEach(observers[key], func => func(val)); | ||
| } | ||
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| StateParams.prototype.$digest = function() { | ||
| forEach(this, (val, key) => { | ||
| if (val === current[key] || !this.hasOwnProperty(key)) return; | ||
| current[key] = val; | ||
| observeChange(key, val); | ||
| }); | ||
| }; | ||
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| /** | ||
| * Merges a set of parameters with all parameters inherited between the common parents of the | ||
| * current state and a given destination state. | ||
| * | ||
| * @param {Object} newParams The set of parameters which will be composited with inherited params. | ||
| * @param {Object} $current Internal definition of object representing the current state. | ||
| * @param {Object} $to Internal definition of object representing state to transition to. | ||
| */ | ||
| StateParams.prototype.$inherit = function(newParams, $current, $to) { | ||
| let parents = ancestors($current, $to), parentParams, inherited = {}, inheritList = []; | ||
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| for (let i in parents) { | ||
| if (!parents[i] || !parents[i].params) continue; | ||
| parentParams = Object.keys(parents[i].params); | ||
| if (!parentParams.length) continue; | ||
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| for (let j in parentParams) { | ||
| if (inheritList.indexOf(parentParams[j]) >= 0) continue; | ||
| inheritList.push(parentParams[j]); | ||
| inherited[parentParams[j]] = this[parentParams[j]]; | ||
| } | ||
| } | ||
| return extend({}, inherited, newParams); | ||
| }; | ||
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| StateParams.prototype.$set = function(params, url) { | ||
| let hasChanged = false, abort = false; | ||
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| if (url) { | ||
| forEach(params, function(val, key) { | ||
| if ((url.parameter(key) || {}).dynamic !== true) abort = true; | ||
| }); | ||
| /** | ||
| * Merges a set of parameters with all parameters inherited between the common parents of the | ||
| * current state and a given destination state. | ||
| * | ||
| * @param {Object} newParams The set of parameters which will be composited with inherited params. | ||
| * @param {Object} $current Internal definition of object representing the current state. | ||
| * @param {Object} $to Internal definition of object representing state to transition to. | ||
| */ | ||
| $inherit(newParams, $current, $to) { | ||
| let parents = ancestors($current, $to), parentParams, inherited = {}, inheritList = []; | ||
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| for (let i in parents) { | ||
| if (!parents[i] || !parents[i].params) continue; | ||
| parentParams = Object.keys(parents[i].params); | ||
| if (!parentParams.length) continue; | ||
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| for (let j in parentParams) { | ||
| if (inheritList.indexOf(parentParams[j]) >= 0) continue; | ||
| inheritList.push(parentParams[j]); | ||
| inherited[parentParams[j]] = this[parentParams[j]]; | ||
| } | ||
| if (abort) return false; | ||
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| forEach(params, (val, key) => { | ||
| if (val !== this[key]) { | ||
| this[key] = val; | ||
| observeChange(key); | ||
| hasChanged = true; | ||
| } | ||
| }); | ||
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| this.$sync(); | ||
| return hasChanged; | ||
| }; | ||
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| StateParams.prototype.$sync = function() { | ||
| copy(this, current); | ||
| return this; | ||
| }; | ||
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| StateParams.prototype.$off = function() { | ||
| observers = {}; | ||
| return this; | ||
| }; | ||
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| StateParams.prototype.$raw = function() { | ||
| return omit( | ||
| this, | ||
| Object.keys(this).filter(StateParams.prototype.hasOwnProperty.bind(StateParams.prototype)) | ||
| ); | ||
| }; | ||
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| StateParams.prototype.$localize = function(state, params) { | ||
| return new StateParams(pick(params || this, Object.keys(state.params))); | ||
| }; | ||
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| StateParams.prototype.$observe = function(key: string, fn: Function) { | ||
| forEach(key.split(" "), k => (observers[k] || (observers[k] = [])).push(fn)); | ||
| return unhook(key, fn); | ||
| }; | ||
| } | ||
| return extend({}, inherited, newParams); | ||
| }; | ||
| } | ||
|
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| return new StateParams(); | ||
| } | ||
| export function stateParamsFactory() { | ||
| return new StateParams(); | ||
| } |
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