Browse Source

性能优化

es6
guy 7 years ago
parent
commit
86f10a15ab
  1. 36
      bi/core.js
  2. 36
      docs/core.js
  3. 36
      src/core/model.js

36
bi/core.js

@ -4904,7 +4904,41 @@ BI.Widget = BI.inherit(BI.OB, {
}, },
_change: function (child) { _change: function (child) {
this.set(this._map(child)); var self = this;
var childMap = this._map(child);
//this.set(childMap);
var changes = [];
var changing = this._changing;
var changed;
var options = {};
this._changing = true;
if (!changing) {
this._previousAttributes = _.clone(this.attributes);
this.changed = {};
}
var current = this.attributes, prev = this._previousAttributes, val;
for (var attr in childMap) {
val = childMap[attr];
changes.push(attr);
this.changed[attr] = val;
current[attr] = val;
}
if (changes.length) this._pending = options;
for (var i = 0, length = changes.length; i < length; i++) {
this.trigger('change:' + changes[i], this, current[changes[i]], options);
}
if (changing) return this;
changed = BI.clone(this.changed);
while (this._pending) {
options = this._pending;
this._pending = false;
this.trigger('change', changed, prev, this, options);
}
this._pending = false;
this._changing = false;
if (changes.length) {
this.trigger("changed", changed, prev, this, options);
}
return this; return this;
}, },

36
docs/core.js

@ -14900,7 +14900,41 @@ BI.Widget = BI.inherit(BI.OB, {
}, },
_change: function (child) { _change: function (child) {
this.set(this._map(child)); var self = this;
var childMap = this._map(child);
//this.set(childMap);
var changes = [];
var changing = this._changing;
var changed;
var options = {};
this._changing = true;
if (!changing) {
this._previousAttributes = _.clone(this.attributes);
this.changed = {};
}
var current = this.attributes, prev = this._previousAttributes, val;
for (var attr in childMap) {
val = childMap[attr];
changes.push(attr);
this.changed[attr] = val;
current[attr] = val;
}
if (changes.length) this._pending = options;
for (var i = 0, length = changes.length; i < length; i++) {
this.trigger('change:' + changes[i], this, current[changes[i]], options);
}
if (changing) return this;
changed = BI.clone(this.changed);
while (this._pending) {
options = this._pending;
this._pending = false;
this.trigger('change', changed, prev, this, options);
}
this._pending = false;
this._changing = false;
if (changes.length) {
this.trigger("changed", changed, prev, this, options);
}
return this; return this;
}, },

36
src/core/model.js

@ -117,7 +117,41 @@ BI.Model = BI.inherit(BI.M, {
}, },
_change: function (child) { _change: function (child) {
this.set(this._map(child)); var self = this;
var childMap = this._map(child);
//this.set(childMap);
var changes = [];
var changing = this._changing;
var changed;
var options = {};
this._changing = true;
if (!changing) {
this._previousAttributes = _.clone(this.attributes);
this.changed = {};
}
var current = this.attributes, prev = this._previousAttributes, val;
for (var attr in childMap) {
val = childMap[attr];
changes.push(attr);
this.changed[attr] = val;
current[attr] = val;
}
if (changes.length) this._pending = options;
for (var i = 0, length = changes.length; i < length; i++) {
this.trigger('change:' + changes[i], this, current[changes[i]], options);
}
if (changing) return this;
changed = BI.clone(this.changed);
while (this._pending) {
options = this._pending;
this._pending = false;
this.trigger('change', changed, prev, this, options);
}
this._pending = false;
this._changing = false;
if (changes.length) {
this.trigger("changed", changed, prev, this, options);
}
return this; return this;
}, },

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