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51 lines
1.6 KiB
51 lines
1.6 KiB
7 years ago
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;(function () {
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function initWatch(vm, watch) {
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vm._watchers || (vm._watchers = []);
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for (var key in watch) {
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var handler = watch[key]
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if (BI.isArray(handler)) {
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for (var i = 0; i < handler.length; i++) {
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vm._watchers.push(createWatcher(vm, key, handler[i]))
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}
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} else {
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vm._watchers.push(createWatcher(vm, key, handler))
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}
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}
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}
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function createWatcher(vm, keyOrFn, handler, options) {
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if (BI.isPlainObject(handler)) {
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options = handler
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handler = handler.handler
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}
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if (typeof handler === 'string') {
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handler = vm[handler]
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}
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return Fix.VM.prototype.$watch.call(vm, keyOrFn, handler, options)
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}
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var _init = BI.Widget.prototype._init;
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BI.Widget.prototype._init = function () {
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if (window.Fix && this._store) {
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this.store = this._store();
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if (this.store instanceof Fix.VM) {
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this.model = this.store.model;
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} else {
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this.model = this.store;
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}
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initWatch(this, this.watch);
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}
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_init.apply(this, arguments);
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};
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var destroy = BI.Widget.prototype.destroy;
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BI.Widget.prototype.destroy = function () {
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destroy.apply(this, arguments);
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this.store && this.store.destroy();
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BI.each(this._watchers, function (i, unwatch) {
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unwatch();
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});
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this._watchers && (this._watchers = []);
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this.store && (this.store = null);
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}
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}());
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