mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
335 lines
9.6 KiB
JavaScript
335 lines
9.6 KiB
JavaScript
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/*
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* jQuery UI Spinner @VERSION
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*
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* Copyright (c) 2008 jQuery
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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* http://docs.jquery.com/UI/Spinner
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*
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* Depends:
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* ui.core.js
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*/
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(function($) {
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$.widget('ui.spinner', {
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_init: function() {
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// terminate initialization if spinner already applied to current element
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if($.data(this.element[0], 'spinner')) return;
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// check for onInit callback
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if (this.options.init) {
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this.options.init(this.ui(null));
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}
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// check for decimals in steppinng and set _decimals as internal (needs cleaning up)
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this._decimals = 0;
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if (this.options.stepping.toString().indexOf('.') != -1) {
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var s = this.options.stepping.toString();
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this._decimals = s.slice(s.indexOf('.')+1, s.length).length;
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}
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//Initialize needed constants
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var self = this;
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this.element
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.addClass('ui-spinner-box')
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.attr('autocomplete', 'off'); // switch off autocomplete in opera
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this._setValue( isNaN(this._getValue()) ? this.options.start : this._getValue() );
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this.element
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.wrap('<div>')
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.parent()
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.addClass('ui-spinner')
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.append('<button class="ui-spinner-up" type="button">▲</button>')
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.find('.ui-spinner-up')
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.bind('mousedown', function(e) {
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$(this).addClass('ui-spinner-pressed');
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if(!self.counter) self.counter = 1;
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self._mousedown(100, '_up', e);
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})
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.bind('mouseup', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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if(self.counter == 1) self._up(e);
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self._mouseup(e);
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})
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.bind('mouseout', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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self._mouseup(e);
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})
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// mousedown/mouseup capture first click, now handle second click
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.bind('dblclick', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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self._up(e);
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})
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.bind('keydown.spinner', function(e) {
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var KEYS = $.keyCode;
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if (e.keyCode == KEYS.SPACE || e.keyCode == KEYS.ENTER) {
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$(this).addClass('ui-spinner-pressed');
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if(!self.counter) self.counter = 1;
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self._up.call(self, e);
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} else if (e.keyCode == KEYS.DOWN || e.keyCode == KEYS.RIGHT) {
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self.element.siblings('.ui-spinner-down').focus();
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} else if (e.keyCode == KEYS.LEFT) {
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self.element.focus();
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}
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})
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.bind('keyup.spinner', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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self.counter = 0;
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self._propagate('change', e);
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})
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.end()
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.append('<button class="ui-spinner-down" type="button">▼</button>')
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.find('.ui-spinner-down')
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.bind('mousedown', function(e) {
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$(this).addClass('ui-spinner-pressed');
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if(!self.counter) self.counter = 1;
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self._mousedown(100, '_down', e);
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})
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.bind('mouseup', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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if(self.counter == 1) self._down();
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self._mouseup(e);
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})
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.bind('mouseout', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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self._mouseup(e);
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})
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// mousedown/mouseup capture first click, now handle second click
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.bind('dblclick', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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self._down(e);
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})
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.bind('keydown.spinner', function(e) {
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var KEYS = $.keyCode;
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if (e.keyCode == KEYS.SPACE || e.keyCode == KEYS.ENTER) {
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$(this).addClass('ui-spinner-pressed');
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if(!self.counter) self.counter = 1;
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self._down.call(self, e);
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} else if (e.keyCode == KEYS.UP || e.keyCode == KEYS.LEFT) {
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self.element.siblings('.ui-spinner-up').focus();
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}
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})
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.bind('keyup.spinner', function(e) {
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$(this).removeClass('ui-spinner-pressed');
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self.counter = 0;
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self._propagate('change', e);
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})
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.end();
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// DataList: Set contraints for object length and step size.
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// Manipulate height of spinner.
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this._items = this.element.children().length;
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if (this._items > 1) {
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this.element
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.addClass('ui-spinner-list')
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.css('height', this.element.outerHeight()/this._items)
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.children()
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.addClass('ui-spinner-listitem')
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.end()
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.parent()
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.css('height', this.element.outerHeight())
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.end();
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this.options.stepping = 1;
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this.options.min = 0;
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this.options.max = this._items-1;
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}
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this.element
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.bind('keydown.spinner', function(e) {
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if(!self.counter) self.counter = 1;
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return self._keydown.call(self, e);
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})
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.bind('keyup.spinner', function(e) {
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self.counter = 0;
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self._propagate('change', e);
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})
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.bind('blur.spinner', function(e) {
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self._cleanUp();
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});
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if ($.fn.mousewheel) {
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this.element.mousewheel(function(e, delta) {
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self._mousewheel(e, delta);
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});
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}
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},
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_constrain: function() {
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if(this.options.min != undefined && this._getValue() < this.options.min) this._setValue(this.options.min);
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if(this.options.max != undefined && this._getValue() > this.options.max) this._setValue(this.options.max);
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},
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_cleanUp: function() {
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this._setValue(this._getValue());
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this._constrain();
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},
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_spin: function(d, e) {
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if (this.disabled) return;
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if(isNaN(this._getValue())) this._setValue(this.options.start);
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this._setValue(this._getValue() + (d == 'up' ? 1:-1) * (this.options.incremental && this.counter > 100 ? (this.counter > 200 ? 100 : 10) : 1) * this.options.stepping);
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this._animate(d);
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this._constrain();
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if(this.counter) this.counter++;
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this._propagate('spin', e);
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},
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_down: function(e) {
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this._spin('down', e);
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this._propagate('down', e);
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},
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_up: function(e) {
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this._spin('up', e);
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this._propagate('up', e);
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},
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_mousedown: function(i, d, e) {
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var self = this;
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i = i || 100;
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if(this.timer) window.clearInterval(this.timer);
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this.timer = window.setInterval(function() {
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self[d](e);
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if(self.counter > 20) self._mousedown(20, d, e);
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}, i);
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},
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_mouseup: function(e) {
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this.counter = 0;
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if(this.timer) window.clearInterval(this.timer);
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this.element[0].focus();
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this._propagate('change', e);
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},
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_keydown: function(e) {
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var KEYS = $.keyCode;
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if(e.keyCode == KEYS.UP) this._up(e);
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if(e.keyCode == KEYS.DOWN) this._down(e);
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if(e.keyCode == KEYS.HOME) this._setValue(this.options.min || this.options.start); //Home key goes to min, if defined, else to start
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if(e.keyCode == KEYS.END && this.options.max != undefined) this._setValue(this.options.max); //End key goes to maximum
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return (e.keyCode == KEYS.TAB || e.keyCode == KEYS.BACKSPACE ||
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e.keyCode == KEYS.LEFT || e.keyCode == KEYS.RIGHT || e.keyCode == KEYS.PERIOD ||
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e.keyCode == KEYS.NUMPAD_DECIMAL || e.keyCode == KEYS.NUMPAD_SUBTRACT ||
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(e.keyCode >= 96 && e.keyCode <= 105) || // add support for numeric keypad 0-9
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(/[0-9\-\.]/).test(String.fromCharCode(e.keyCode))) ? true : false;
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},
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_mousewheel: function(e, delta) {
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delta = ($.browser.opera ? -delta / Math.abs(delta) : delta);
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delta > 0 ? this._up(e) : this._down(e);
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e.preventDefault();
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},
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_getValue: function() {
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return parseFloat(this.element.val().replace(/[^0-9\-\.]/g, ''));
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},
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_setValue: function(newVal) {
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if(isNaN(newVal)) newVal = this.options.start;
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this.element.val(
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this.options.currency ?
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$.ui.spinner.format.currency(newVal, this.options.currency) :
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$.ui.spinner.format.number(newVal, this._decimals)
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);
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},
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_animate: function(d) {
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if (this.element.hasClass('ui-spinner-list') && ((d == 'up' && this._getValue() <= this.options.max) || (d == 'down' && this._getValue() >= this.options.min)) ) {
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this.element.animate({marginTop: '-' + this._getValue() * this.element.outerHeight() }, {
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duration: 'fast',
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queue: false
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});
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}
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},
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_addItem: function(html) {
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if (!this.element.is('input')) {
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var wrapper = 'div';
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if (this.element.is('ol') || this.element.is('ul')) {
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wrapper = 'li';
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}
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this.element.append('<'+ wrapper +' class="ui-spinner-dyn">'+ html + '</'+ wrapper +'>');
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}
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},
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plugins: {},
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ui: function(e) {
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return {
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options: this.options,
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element: this.element,
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value: this._getValue(),
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add: this._addItem
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};
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},
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_propagate: function(n,e) {
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$.ui.plugin.call(this, n, [e, this.ui()]);
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return this.element.triggerHandler(n == 'spin' ? n : 'spin'+n, [e, this.ui()], this.options[n]);
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},
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destroy: function() {
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if(!$.data(this.element[0], 'spinner')) return;
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if ($.fn.mousewheel) {
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this.element.unmousewheel();
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}
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this.element
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.removeClass('ui-spinner-box ui-spinner-list')
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.removeAttr('disabled')
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.removeAttr('autocomplete')
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.removeData('spinner')
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.unbind('.spinner')
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.siblings()
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.remove()
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.end()
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.children()
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.removeClass('ui-spinner-listitem')
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.remove('.ui-spinner-dyn')
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.end()
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.parent()
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.removeClass('ui-spinner ui-spinner-disabled')
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.before(this.element.clone())
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.remove()
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.end();
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},
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enable: function() {
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this.element
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.removeAttr('disabled')
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.siblings()
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.removeAttr('disabled')
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.parent()
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.removeClass('ui-spinner-disabled');
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this.disabled = false;
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},
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disable: function() {
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this.element
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.attr('disabled', true)
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.siblings()
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.attr('disabled', true)
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.parent()
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.addClass('ui-spinner-disabled');
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this.disabled = true;
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}
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});
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$.extend($.ui.spinner, {
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defaults: {
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stepping: 1,
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start: 0,
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incremental: true,
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currency: false
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},
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format: {
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number: function(num, dec) {
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return this.round(num, dec);
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},
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currency: function(num, sym) {
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return (num !== Math.abs(num) ? '-' : '') + sym + this.round(Math.abs(num), 2);
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},
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round: function(num, dec) {
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var s = Math.round(parseFloat(num)*Math.pow(10, dec)) / Math.pow(10, dec); // round off weird decimals
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if (dec > 0) {
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s = s + ((s.toString().indexOf('.') == -1) ? '.' : '') + '0000000001';
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s = s.substr(0, s.indexOf('.')+1+dec);
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} else {
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s = Math.round(s);
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}
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return s;
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}
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}
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});
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})(jQuery);
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