Attachment 4488 Details for Bug 27778

ByteBox widget

ByteBox.js (text/plain), 5.02 KB, created by Philipp Hahn on 2012-06-29 16:08 CEST

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Creator: Philipp Hahn

Created: 2012-06-29 16:08 CEST

Size: 5.02 KB

patch

obsolete

>/*
> * Copyright 2011-2012 Univention GmbH
> *
> * http://www.univention.de/
> *
> * All rights reserved.
> *
> * The source code of this program is made available
> * under the terms of the GNU Affero General Public License version 3
> * (GNU AGPL V3) as published by the Free Software Foundation.
> *
> * Binary versions of this program provided by Univention to you as
> * well as other copyrighted, protected or trademarked materials like
> * Logos, graphics, fonts, specific documentations and configurations,
> * cryptographic keys etc. are subject to a license agreement between
> * you and Univention and not subject to the GNU AGPL V3.
> *
> * In the case you use this program under the terms of the GNU AGPL V3,
> * the program is provided 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 Affero General Public License for more details.
> *
> * You should have received a copy of the GNU Affero General Public
> * License with the Debian GNU/Linux or Univention distribution in file
> * /usr/share/common-licenses/AGPL-3; if not, see
> * <http://www.gnu.org/licenses/>.
> */
>/*global console MyError dojo dojox dijit umc */
>
>// TODO: Add support min/max constraint: "If min=1 MiB, don't show KiB", but "If max=1 GiB, allow 0.5 GiB"?
>// TODO: Update value when unit changes: 1024 KiB â 1 MiB
>// TODO: Think more about handling fractional values: 0.5 MiB = 512 KiB
>// TODO: Check why static widget <input data-dojo-type="umc.widgets.ByteBox" .../> does not work, but dynamic dojo.place(new umc.widgets.ByteBox({id: 'bb', value: 0}).domNode, dojo.body()); works
>
>dojo.provide("umc.widgets.ByteBox");
>
>dojo.require("umc.widgets.ContainerWidget");
>dojo.require("umc.widgets.ComboBox");
>dojo.require("umc.widgets.NumberSpinner");
>dojo.require("umc.widgets._FormWidgetMixin");
>dojo.require("umc.widgets._WidgetsInWidgetsMixin");
>
>dojo.declare("umc.widgets.ByteBox", [
>	umc.widgets.ContainerWidget,
>	umc.widgets._FormWidgetMixin,
>	umc.widgets._WidgetsInWidgetsMixin
>], {
>	// summary:
>	//		Display human readable size in bytes
>
>	name: '',
>
>	label: '',
>
>	required: '',
>
>	disabled: false,
>
>	i18nClass: 'umc.app',
>
>	// list of available units
>	units: [{
>		unit: 'B',
>		factor: 1
>	}, {
>		unit: 'KiB',
>		factor: 1024
>	}, {
>		unit: 'MiB',
>		factor: 1024*1024
>	}, {
>		unit: 'GiB',
>		factor: 1024*1024*1024
>	}, {
>		unit: 'TiB',
>		factor: 1024*1024*1024*1024
>	}, {
>		unit: 'PiB',
>		factor: 1024*1024*1024*1024*1024
>	}],
>
>	constraints: {
>		min: 0,
>		max: 1024*1024*1024*1024*1024*1024 - 1,
>	},
>
>	// the widget's class name as CSS class
>	'class': 'umcByteBox',
>
>	// internal reference to the NumberSpinner
>	_spinBox: null,
>
>	// internal reference to the ComboBox containing the units
>	_unitBox: null,
>
>	_setDisabledAttr: function(newVal) {
>		this.disabled = newVal;
>		if (this._spinBox && this._unitBox) {
>			this._spinBox.set('disabled', this.disabled);
>			this._unitBox.set('disabled', this.disabled);
>		}
>	},
>
>	_setRequiredAttr: function(newVal) {
>		this.required = newVal;
>		if (this._spinBox && this._unitBox) {
>			this._spinBox.set('required', this.required);
>			this._unitBox.set('required', this.required);
>		}
>	},
>
>	_setValueAttr: function(_val) {
>		var unit = this.units[0];
>		dojo.forEach(this.units, function(iunit) {
>				if (iunit.factor > _val)
>					return false;
>				unit = iunit;
>		});
>
>		this._spinBox.set('value', _val / unit.factor);
>		this._unitBox.set('value', unit.unit);
>	},
>
>	_getValueAttr: function() {
>		var factor = 1;
>		var unit = this._unitBox.get('value');
>		dojo.forEach(this.units, function(iunit) {
>			if (iunit.unit == unit) {
>				factor = iunit.factor;
>				return false;
>			}
>		});
>		return this._spinBox.get('value') * factor;
>	},
>
>	postMixInProperties: function() {
>		this.inherited(arguments);
>
>		// ignore specified size classes
>		this.sizeClass = null;
>	},
>
>	buildRendering: function() {
>		this.inherited(arguments);
>
>		// create widgets
>		this._spinBox = this.adopt(umc.widgets.NumberSpinner, {
>			required: this.required,
>			disabled: this.disabled,
>			constraints: {
>				min: 1,
>				max: 1024,
>			},
>			sizeClass: 'TwoThirds'
>		});
>		this._unitBox = this.adopt(umc.widgets.ComboBox, {
>			required: this.required,
>			disabled: this.disabled,
>			sizeClass: 'OneThird',
>			staticValues: dojo.map(this.units, function(iunit) {
>				return iunit.unit;
>			})
>		});
>
>		// register to 'onChange' events
>		this.connect(this._unitBox, 'onChange', function() {
>			this.onChange(this.get('value'));
>		});
>		this.connect(this._spinBox, 'onChange', function() {
>			this.onChange(this.get('value'));
>		});
>
>		// create layout
>		this.addChild(this._spinBox);
>		this.addChild(this._unitBox);
>		this.startup();
>	},
>
>	isValid: function() {
>		return this._spinBox.isValid() && this._unitBox.isValid();
>	},
>
>	// provide 'onChange' method stub in case it does not exist yet
>	onChange: function(newValue, widgetName) {
>		// event stub
>	}
>});

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Attachments on bug 27778: 4488