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/*!
* Deluge.MultiOptionsManager.js
*
* Copyright (c) Damien Churchill 2009-2010 <damoxc@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to:
* The Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the OpenSSL
* library.
* You must obey the GNU General Public License in all respects for all of
* the code used other than OpenSSL. If you modify file(s) with this
* exception, you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete
* this exception statement from your version. If you delete this exception
* statement from all source files in the program, then also delete it here.
*/
/**
* @description A class that can be used to manage options throughout the ui.
* @namespace Deluge
* @class Deluge.MultiOptionsManager
* @extends Deluge.OptionsManager
*/
Deluge.MultiOptionsManager = Ext.extend(Deluge.OptionsManager, {
constructor: function(config) {
this.currentId = null;
this.stored = {};
Deluge.MultiOptionsManager.superclass.constructor.call(this, config);
},
/**
* Changes bound fields to use the specified id.
* @param {String} id
*/
changeId: function(id, dontUpdateBinds) {
var oldId = this.currentId;
this.currentId = id;
if (!dontUpdateBinds) {
for (var option in this.options) {
if (!this.binds[option]) continue;
Ext.each(this.binds[option], function(bind) {
bind.setValue(this.get(option));
}, this);
}
}
return oldId;
},
/**
* Changes all the changed values to be the default values
* @param {String} id
*/
commit: function() {
this.stored[this.currentId] = Ext.apply(this.stored[this.currentId], this.changed[this.currentId]);
this.reset();
},
/**
* Get the value for an option
* @param {String/Array} option A single option or an array of options to return.
* @returns {Object} the options value.
*/
get: function() {
if (arguments.length == 1) {
var option = arguments[0];
return (this.isDirty(option)) ? this.changed[this.currentId][option] : this.getDefault(option);
} else if (arguments.length == 0) {
var options = {};
for (var option in this.options) {
options[option] = (this.isDirty(option)) ? this.changed[this.currentId][option] : this.getDefault(option);
}
return options;
} else {
var options = {};
Ext.each(arguments, function(option) {
options[option] = (this.isDirty(option)) ? this.changed[this.currentId][option] : this.getDefault(option);
}, this);
return options;
}
},
/**
* Get the default value for an option.
* @param {String} option A single option.
* @returns {Object} the value of the option
*/
getDefault: function(option) {
return (this.has(option)) ? this.stored[this.currentId][option] : this.options[option];
},
/**
* Returns the dirty (changed) values.
* @returns {Object} the changed options
*/
getDirty: function() {
return (this.changed[this.currentId]) ? this.changed[this.currentId] : {};
},
/**
* Check to see if the option has been changed.
* @param {String} option
* @returns {Boolean} true if the option has been changed, else false.
*/
isDirty: function(option) {
return (this.changed[this.currentId] && !Ext.isEmpty(this.changed[this.currentId][option]));
},
/**
* Check to see if an id has had an option set to something other than the
* default value.
* @param {String} option
* @returns {Boolean} true if the id has an option, else false.
*/
has: function(option) {
return (this.stored[this.currentId] && !Ext.isEmpty(this.stored[this.currentId][option]));
},
/**
* Reset the options back to the default values for the specified id.
*/
reset: function() {
if (this.changed[this.currentId]) delete this.changed[this.currentId];
if (this.stored[this.currentId]) delete this.stored[this.currentId];
},
/**
* Reset the options back to their defaults for all ids.
*/
resetAll: function() {
this.changed = {};
this.stored = {};
this.changeId(null);
},
/**
* Sets the value of specified option for the passed in id.
* @param {String} id
* @param {String} option
* @param {Object} value The value for the option
*/
setDefault: function(option, value) {
if (option === undefined) {
return;
} else if (value === undefined) {
for (var key in option) {
this.setDefault(key, option[key]);
}
} else {
var oldValue = this.getDefault(option);
value = this.convertValueType(oldValue, value);
// If the value is the same as the old value there is
// no point in setting it again.
if (oldValue == value) return;
// Store the new default
if (!this.stored[this.currentId]) this.stored[this.currentId] = {};
this.stored[this.currentId][option] = value;
if (!this.isDirty(option)) {
this.fireEvent('changed', option, value, oldValue);
}
}
},
/**
* Update the value for the specified option and id.
* @param {String} id
* @param {String/Object} option or options to update
* @param {Object} [value];
*/
update: function(option, value) {
if (option === undefined) {
return;
} else if (value === undefined) {
for (var key in option) {
this.update(key, option[key]);
}
} else {
if (!this.changed[this.currentId]) this.changed[this.currentId] = {};
var defaultValue = this.getDefault(option);
value = this.convertValueType(defaultValue, value);
var oldValue = this.get(option);
if (oldValue == value) return;
if (defaultValue == value) {
if (this.isDirty(option)) delete this.changed[this.currentId][option];
this.fireEvent('changed', option, value, oldValue);
return;
} else {
this.changed[this.currentId][option] = value;
this.fireEvent('changed', option, value, oldValue);
}
}
}
});
|
Deluge
