forerunnerdb
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A NoSQL document store database for browsers and Node.js.
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<title>JSDoc: Source: Angular.js</title>
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<h1 class="page-title">Source: Angular.js</h1>
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<pre class="prettyprint source linenums"><code>"use strict";
/**
* Provides angular scope updating functionality to ForerunnerDB. Allows
* collections and views to provide data to angular and to automatically
* update angular when data in ForerunnerDB changes.
* @class Angular
*/
var Shared = window.ForerunnerDB.shared,
Angular = {};
Shared.addModule('Angular', Angular);
/**
* Extends the Collection class with new binding capabilities.
* @extends Collection
* @param {Collection} Module The Collection class module.
* @private
*/
Angular.extendCollection = function (Module) {
var superDrop = Module.prototype.drop;
/**
* Creates a link to the DOM between the collection data and the elements
* in the passed output selector. When new elements are needed or changes
* occur the passed templateSelector is used to get the template that is
* output to the DOM.
* @func link
* @memberof Collection
* @param scope
* @param varName
* @param {Object=} options Optional extra options.
* @see unlink
*/
Module.prototype.ng = function (scope, varName, options) {
var self = this,
link,
i;
if (scope && varName) {
self._ngLinks = self._ngLinks || [];
link = {
scope: scope,
varName: varName,
callback: function () {
scope[varName] = self.find();
scope.$apply();
}
};
self._ngLinks.push(link);
// Hook the angular destroy event to remove this link
scope.$on("$destroy", function(){
if (self._ngLinks && self._ngLinks.length) {
for (i = self._ngLinks.length - 1; i >= 0; i--) {
if (self._ngLinks[i].scope === scope) {
self.off('change', link.callback);
self._ngLinks.splice(i, 1);
}
}
}
});
// Hook the ForerunnerDB change event to inform angular of a change
self.on('change', link.callback);
} else {
throw(this.logIdentifier() + ' Cannot link to angular $scope if no scope or variable name is passed!');
}
};
Module.prototype.drop = function () {
if (this._ngLinks) {
delete this._ngLinks;
}
return superDrop.apply(this, arguments);
};
};
/**
* Extends the View class with new binding capabilities.
* @extends View
* @param {View} Module The View class module.
* @private
*/
Angular.extendView = function (Module) {
Module.prototype.ng = function (scope, varName, options) {
var publicData = this.publicData();
publicData.ng(scope, varName, options);
return this;
};
};
Angular.extendDocument = function (Module) {
var superDrop = Module.prototype.drop;
Module.prototype.ng = function (scope, varName, options) {
var self = this,
watchUpdating = false,
link,
i;
if (scope && varName) {
self._ngLinks = self._ngLinks || [];
link = {
scope: scope,
varName: varName,
callback: function () {
scope[varName] = self.find();
scope.$apply();
}
};
self._ngLinks.push(link);
// Hook the angular destroy event to remove this link
scope.$on("$destroy", function(){
if (self._ngLinks && self._ngLinks.length) {
for (i = self._ngLinks.length - 1; i >= 0; i--) {
if (self._ngLinks[i].scope === scope) {
self.off('change', link.callback);
self._ngLinks.splice(i, 1);
}
}
}
});
// Hook the angular watch event to update our data if the
// angular data is updated by content
scope.$watch(varName, function(newValue) {
watchUpdating = true;
console.log('Updating', newValue);
self.update({}, newValue);
watchUpdating = false;
}, true);
// Hook the ForerunnerDB change event to inform angular of a change
self.on('change', function () {
if (!watchUpdating) {
link.callback.apply(this, arguments);
} else {
console.log('Ignoring update as it is a watch update');
}
});
} else {
throw(this.logIdentifier() + ' Cannot link to angular $scope if no scope or variable name is passed!');
}
};
Module.prototype.drop = function () {
if (this._ngLinks) {
delete this._ngLinks;
}
return superDrop.apply(this, arguments);
};
};
/**
* Extends the Overview class with new binding capabilities.
* @extends Overview
* @param {Overview} Module The Overview class module.
* @private
*/
Angular.extendOverview = function (Module) {
Module.prototype.ng = function (scope, varName, options) {
this._data.ng.apply(this._data, arguments);
this._refresh();
};
};
// Define modules that we wish to work on
var modules = ['Collection', 'View', 'Overview', 'Document'],
moduleIndex,
moduleFinished = function (name, module) {
if (Angular['extend' + name]) {
Angular['extend' + name](module);
}
};
// Extend modules that are finished loading
for (moduleIndex = 0; moduleIndex < modules.length; moduleIndex++) {
Shared.moduleFinished(modules[moduleIndex], moduleFinished);
}
Shared.finishModule('Angular');
module.exports = Angular;
</code></pre>
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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="ActiveBucket.html">ActiveBucket</a></li><li><a href="Angular.html">Angular</a></li><li><a href="AutoBind.html">AutoBind</a></li><li><a href="BinaryTree.html">BinaryTree</a></li><li><a href="Collection.html">Collection</a></li><li><a href="CollectionGroup.html">CollectionGroup</a></li><li><a href="Core.html">Core</a></li><li><a href="Db.html">Db</a></li><li><a href="Document.html">Document</a></li><li><a href="Grid.html">Grid</a></li><li><a href="Highchart.html">Highchart</a></li><li><a href="IndexBinaryTree.html">IndexBinaryTree</a></li><li><a href="IndexHashMap.html">IndexHashMap</a></li><li><a href="Infinilist.html">Infinilist</a></li><li><a href="KeyValueStore.html">KeyValueStore</a></li><li><a href="Metrics.html">Metrics</a></li><li><a href="OldView.html">OldView</a></li><li><a href="Operation.html">Operation</a></li><li><a href="Overload.html">Overload</a></li><li><a href="Path.html">Path</a></li><li><a href="Persist.html">Persist</a></li><li><a href="ReactorIO.html">ReactorIO</a></li><li><a href="Serialiser.html">Serialiser</a></li><li><a href="Shared.overload.html">overload</a></li><li><a href="View.html">View</a></li></ul><h3>Mixins</h3><ul><li><a href="ChainReactor.html">ChainReactor</a></li><li><a href="crcTable.html">crcTable</a></li><li><a href="Shared.html">Shared</a></li></ul><h3>Global</h3><ul><li><a href="global.html#%2522boolean,function%2522">"boolean, function"</a></li><li><a href="global.html#%2522string,*,function%2522">"string, *, function"</a></li><li><a href="global.html#%2522string,function%2522">"string, function"</a></li><li><a href="global.html#boolean">boolean</a></li><li><a href="global.html#function">function</a></li></ul>
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