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| var protoclass = require("protoclass");
var Transitions = require("./transitions");
var _bind = require("../../utils/bind");
var _stringifyNode = require("../../utils/stringifyNode");
var Reference = require("./reference");
/**
* constructor
* @param template the template which created this view
* @param pool the pool of views to push back into after
* this view has been disposed
* @param section the section (cloned node) to attach to
* @param hydrators binding hydrators that help tie this view
* to the section
*/
function View(template, pool, section, hydrators, options) {
this.template = template;
this.section = section;
this.bindings = [];
this._pool = pool;
this.parent = options.parent;
this.accessor = this.parent ? this.parent.accessor : template.accessor || new template.accessorClass();
this.rootNode = section.rootNode();
this.transitions = new Transitions();
this.runloop = template.runloop;
this._watchers = [];
for (var i = 0, n = hydrators.length; i < n; i++) {
hydrators[i].hydrate(this);
}
this._dispose = _bind(this._dispose, this);
}
/**
*/
protoclass(View, {
/**
*/
setOptions: function(options) {
this.parent = options.parent;
Iif (options.parent) this.accessor = this.parent.accessor;
},
/**
*/
get: function(path) {
var v = this.accessor.get(this.context, path);
return v != null ? v : this.parent ? this.parent.get(path) : void 0;
},
/**
*/
set: function(path, value) {
return this.accessor.set(this.context, path, value);
},
/**
*/
reference: function(path, settable, gettable) {
return new Reference(this, path, settable, gettable);
},
/**
*/
call: function(path, params) {
var has = this.accessor.get(this.context, path);
return has ? this.accessor.call(this.context, path, params) : this.parent ? this.parent.call(path, params) : void 0;
},
/**
*/
setProperties: function(properties) {
for (var key in properties) this.set(key, properties[key]);
},
/**
*/
watch: function(keypath, listener) {
return this.accessor.watchProperty(this.context, keypath, listener);
},
/**
*/
watchEvent: function(object, event, listener) {
return this.accessor.watchEvent(object, event, listener);
},
/**
*/
bind: function(context) {
Iif (this.context) {
this.unbind();
}
Iif (!context) context = {};
this.context = this.accessor.castObject(context);
for (var i = 0, n = this.bindings.length; i < n; i++) {
this.bindings[i].bind();
}
},
/**
*/
unbind: function() {
for (var i = this.bindings.length; i--;) {
this.bindings[i].unbind();
}
},
/**ch
*/
render: function() {
if (!this.context) this.bind({});
this.transitions.enter();
return this.section.render();
},
/**
*/
remove: function() {
this.section.remove();
return this;
},
/**
* disposes the view, and re-adds it to the template pool. At this point, the
* view cannot be used anymore.
*/
dispose: function() {
Iif (this.transitions.exit(this._dispose)) return;
this._dispose();
return this;
},
/**
*/
_dispose: function() {
this.unbind();
this.section.remove();
this._pool.push(this);
},
/**
*/
toString: function() {
var node = this.render();
/* istanbul ignore if */
Iif (this.template.document === global.document) {
return _stringifyNode(node);
}
return node.toString();
}
});
module.exports = View;
|