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path: root/deluge/ui/web/js/ext-extensions/form/SpinnerGroup.js
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/*!
 * Ext.ux.form.SpinnerGroup.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.
 */
Ext.ns('Ext.ux.form');

/**
 *
 */
Ext.ux.form.SpinnerGroup = Ext.extend(Ext.form.CheckboxGroup, {

    // private
    defaultType: 'spinnerfield',

    // private
    groupCls: 'x-form-spinner-group',

    colCfg: {},

    // private
    onRender : function(ct, position){
        if(!this.el){
            var panelCfg = {
                cls: this.groupCls,
                layout: 'column',
                border: false,
                renderTo: ct
            };
            var colCfg = Ext.apply({
                defaultType: this.defaultType,
                layout: 'form',
                border: false,
                labelWidth: 60,
                defaults: {
                    hideLabel: true,
                    anchor: '60%'
                }
            }, this.colCfg);

            if(this.items[0].items){

                // The container has standard ColumnLayout configs, so pass them in directly

                Ext.apply(panelCfg, {
                    layoutConfig: {columns: this.items.length},
                    defaults: this.defaults,
                    items: this.items
                })
                for(var i=0, len=this.items.length; i<len; i++){
                    Ext.applyIf(this.items[i], colCfg);
                };

            }else{

                // The container has field item configs, so we have to generate the column
                // panels first then move the items into the columns as needed.

                var numCols, cols = [];

                if(typeof this.columns == 'string'){ // 'auto' so create a col per item
                    this.columns = this.items.length;
                }
                if(!Ext.isArray(this.columns)){
                    var cs = [];
                    for(var i=0; i<this.columns; i++){
                        cs.push((100/this.columns)*.01); // distribute by even %
                    }
                    this.columns = cs;
                }

                numCols = this.columns.length;

                // Generate the column configs with the correct width setting
                for(var i=0; i<numCols; i++){
                    var cc = Ext.apply({items:[]}, colCfg);
                    cc[this.columns[i] <= 1 ? 'columnWidth' : 'width'] = this.columns[i];
                    if(this.defaults){
                        cc.defaults = Ext.apply(cc.defaults || {}, this.defaults)
                    }
                    cols.push(cc);
                };

                // Distribute the original items into the columns
                if(this.vertical){
                    var rows = Math.ceil(this.items.length / numCols), ri = 0;
                    for(var i=0, len=this.items.length; i<len; i++){
                        if(i>0 && i%rows==0){
                            ri++;
                        }
                        if(this.items[i].fieldLabel){
                            this.items[i].hideLabel = false;
                        }
                        cols[ri].items.push(this.items[i]);
                    };
                }else{
                    for(var i=0, len=this.items.length; i<len; i++){
                        var ci = i % numCols;
                        if(this.items[i].fieldLabel){
                            this.items[i].hideLabel = false;
                        }
                        cols[ci].items.push(this.items[i]);
                    };
                }

                Ext.apply(panelCfg, {
                    layoutConfig: {columns: numCols},
                    items: cols
                });
            }

            this.panel = new Ext.Panel(panelCfg);
            this.el = this.panel.getEl();

            if(this.forId && this.itemCls){
                var l = this.el.up(this.itemCls).child('label', true);
                if(l){
                    l.setAttribute('htmlFor', this.forId);
                }
            }

            var fields = this.panel.findBy(function(c){
                return c.isFormField;
            }, this);

            this.items = new Ext.util.MixedCollection();
            this.items.addAll(fields);

            this.items.each(function(field) {
                field.on('spin', this.onFieldChange, this);
            }, this);

            if (this.lazyValueSet) {
                this.setValue(this.value);
                delete this.value;
                delete this.lazyValueSet;
            }

            if (this.lazyRawValueSet) {
                this.setRawValue(this.rawValue);
                delete this.rawValue;
                delete this.lazyRawValueSet;
            }
        }

        Ext.ux.form.SpinnerGroup.superclass.onRender.call(this, ct, position);
    },

    onFieldChange: function(spinner) {
        this.fireEvent('change', this, this.getValue());
    },

    initValue : Ext.emptyFn,

    getValue: function() {
        var value = [this.items.getCount()];
        this.items.each(function(item, i) {
            value[i] = Number(item.getValue());
        });
        return value;
    },

    getRawValue: function() {
        var value = [this.items.getCount()];
        this.items.each(function(item, i) {
            value[i] = Number(item.getRawValue());
        });
        return value;
    },

    setValue: function(value) {
        if (!this.rendered) {
            this.value = value;
            this.lazyValueSet = true;
        } else {
            this.items.each(function(item, i) {
                item.setValue(value[i]);
            });
        }
    },

    setRawValue: function(value) {
        if (!this.rendered) {
            this.rawValue = value;
            this.lazyRawValueSet = true;
        } else {
            this.items.each(function(item, i) {
                item.setRawValue(value[i]);
            });
        }
    }
});
Ext.reg('spinnergroup', Ext.ux.form.SpinnerGroup);