190 lines
6.5 KiB
JavaScript
190 lines
6.5 KiB
JavaScript
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function openerp_pos_keyboard(instance, module){ //module is instance.point_of_sale
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// ---------- OnScreen Keyboard Widget ----------
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// A Widget that displays an onscreen keyboard.
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// There are two options when creating the widget :
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//
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// * 'keyboard_model' : 'simple' | 'full' (default)
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// The 'full' emulates a PC keyboard, while 'simple' emulates an 'android' one.
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//
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// * 'input_selector : (default: '.searchbox input')
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// defines the dom element that the keyboard will write to.
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//
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// The widget is initially hidden. It can be shown with this.show(), and is
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// automatically shown when the input_selector gets focused.
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module.OnscreenKeyboardWidget = instance.web.Widget.extend({
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template: 'OnscreenKeyboardSimple',
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init: function(parent, options){
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var self = this;
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this._super(parent,options);
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options = options || {};
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this.keyboard_model = options.keyboard_model || 'full';
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if(this.keyboard_model === 'full'){
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this.template = 'OnscreenKeyboardFull';
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}
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this.input_selector = options.input_selector || '.searchbox input';
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this.$target = null;
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//Keyboard state
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this.capslock = false;
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this.shift = false;
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this.numlock = false;
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},
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connect : function($target){
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var self = this;
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this.$target = $target;
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$target.focus(function(){self.show();});
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},
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// Write a character to the input zone
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writeCharacter: function(character){
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var $input = this.$target;
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if(character === '\n'){
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$input.trigger($.Event('keydown',{which:13}));
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$input.trigger($.Event('keyup',{which:13}));
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}else{
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$input[0].value += character;
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$input.keydown();
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$input.keyup();
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}
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},
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// Sends a 'return' character to the input zone. TODO
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sendReturn: function(){
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},
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// Removes the last character from the input zone.
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deleteCharacter: function(){
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var $input = this.$target;
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var input_value = $input[0].value;
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$input[0].value = input_value.substr(0, input_value.length - 1);
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$input.keydown();
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$input.keyup();
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},
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// Clears the content of the input zone.
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deleteAllCharacters: function(){
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var $input = this.$target;
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$input[0].value = "";
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$input.keydown();
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$input.keyup();
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},
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// Makes the keyboard show and slide from the bottom of the screen.
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show: function(){
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$('.keyboard_frame').show().animate({'height':'235px'}, 500, 'swing');
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},
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// Makes the keyboard hide by sliding to the bottom of the screen.
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hide: function(){
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var self = this;
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var frame = $('.keyboard_frame');
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frame.animate({'height':'0'}, 500, 'swing', function(){ frame.hide(); self.reset(); });
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},
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//What happens when the shift key is pressed : toggle case, remove capslock
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toggleShift: function(){
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$('.letter').toggleClass('uppercase');
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$('.symbol span').toggle();
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self.shift = (self.shift === true) ? false : true;
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self.capslock = false;
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},
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//what happens when capslock is pressed : toggle case, set capslock
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toggleCapsLock: function(){
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$('.letter').toggleClass('uppercase');
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self.capslock = true;
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},
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//What happens when numlock is pressed : toggle symbols and numlock label
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toggleNumLock: function(){
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$('.symbol span').toggle();
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$('.numlock span').toggle();
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self.numlock = (self.numlock === true ) ? false : true;
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},
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//After a key is pressed, shift is disabled.
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removeShift: function(){
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if (self.shift === true) {
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$('.symbol span').toggle();
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if (this.capslock === false) $('.letter').toggleClass('uppercase');
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self.shift = false;
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}
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},
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// Resets the keyboard to its original state; capslock: false, shift: false, numlock: false
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reset: function(){
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if(this.shift){
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this.toggleShift();
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}
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if(this.capslock){
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this.toggleCapsLock();
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}
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if(this.numlock){
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this.toggleNumLock();
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}
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},
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//called after the keyboard is in the DOM, sets up the key bindings.
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start: function(){
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var self = this;
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//this.show();
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$('.close_button').click(function(){
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self.deleteAllCharacters();
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self.hide();
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});
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// Keyboard key click handling
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$('.keyboard li').click(function(){
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var $this = $(this),
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character = $this.html(); // If it's a lowercase letter, nothing happens to this variable
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if ($this.hasClass('left-shift') || $this.hasClass('right-shift')) {
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self.toggleShift();
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return false;
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}
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if ($this.hasClass('capslock')) {
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self.toggleCapsLock();
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return false;
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}
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if ($this.hasClass('delete')) {
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self.deleteCharacter();
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return false;
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}
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if ($this.hasClass('numlock')){
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self.toggleNumLock();
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return false;
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}
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// Special characters
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if ($this.hasClass('symbol')) character = $('span:visible', $this).html();
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if ($this.hasClass('space')) character = ' ';
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if ($this.hasClass('tab')) character = "\t";
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if ($this.hasClass('return')) character = "\n";
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// Uppercase letter
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if ($this.hasClass('uppercase')) character = character.toUpperCase();
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// Remove shift once a key is clicked.
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self.removeShift();
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self.writeCharacter(character);
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});
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},
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});
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}
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