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namespace('kivi', function(k){
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"use strict";
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k.CustomerVendorPicker = function($real, options) {
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// short circuit in case someone double inits us
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if ($real.data("customer_vendor_picker"))
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return $real.data("customer_vendor_picker");
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var KEY = {
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ESCAPE: 27,
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ENTER: 13,
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TAB: 9,
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LEFT: 37,
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RIGHT: 39,
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PAGE_UP: 33,
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PAGE_DOWN: 34,
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SHIFT: 16,
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CTRL: 17,
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ALT: 18,
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};
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var CLASSES = {
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PICKED: 'customer-vendor-picker-picked',
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UNDEFINED: 'customer-vendor-picker-undefined',
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FAT_SET_ITEM: 'customer-vendor-picker-fat-set-item',
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}
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var o = $.extend({
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limit: 20,
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delay: 50,
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fat_set_item: $real.hasClass(CLASSES.FAT_SET_ITEM),
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}, options);
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var STATES = {
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PICKED: CLASSES.PICKED,
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UNDEFINED: CLASSES.UNDEFINED
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}
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var real_id = $real.attr('id');
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var $dummy = $('#' + real_id + '_name');
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var $type = $('#' + real_id + '_type');
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var $unit = $('#' + real_id + '_unit');
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var state = STATES.PICKED;
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var last_real = $real.val();
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var last_dummy = $dummy.val();
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var timer;
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function ajax_data(term) {
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var data = {
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'filter.all:substr:multi::ilike': term,
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'filter.obsolete': 0,
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current: $real.val(),
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type: $type.val(),
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};
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return data;
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}
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function set_item (item) {
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if (item.id) {
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$real.val(item.id);
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// autocomplete ui has name, ajax items have description
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$dummy.val(item.name ? item.name : item.description);
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} else {
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$real.val('');
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$dummy.val('');
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}
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state = STATES.PICKED;
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last_real = $real.val();
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last_dummy = $dummy.val();
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$real.trigger('change');
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if (o.fat_set_item && item.id) {
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$.ajax({
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url: 'controller.pl?action=CustomerVendor/show.json',
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data: { id: item.id, db: item.type },
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success: function(rsp) {
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$real.trigger('set_item:CustomerVendorPicker', rsp);
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},
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});
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} else {
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$real.trigger('set_item:CustomerVendorPicker', item);
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}
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annotate_state();
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}
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function make_defined_state () {
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if (state == STATES.PICKED) {
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annotate_state();
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return true
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} else if (state == STATES.UNDEFINED && $dummy.val() === '')
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set_item({})
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else {
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set_item({ id: last_real, name: last_dummy })
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}
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annotate_state();
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}
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function annotate_state () {
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if (state == STATES.PICKED)
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$dummy.removeClass(STATES.UNDEFINED).addClass(STATES.PICKED);
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else if (state == STATES.UNDEFINED && $dummy.val() === '')
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$dummy.removeClass(STATES.UNDEFINED).addClass(STATES.PICKED);
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else {
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$dummy.addClass(STATES.UNDEFINED).removeClass(STATES.PICKED);
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}
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}
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function handle_changed_text(callbacks) {
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$.ajax({
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url: 'controller.pl?action=CustomerVendor/ajaj_autocomplete',
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dataType: "json",
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data: $.extend( ajax_data($dummy.val()), { prefer_exact: 1 } ),
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success: function (data) {
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if (data.length == 1) {
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set_item(data[0]);
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if (callbacks && callbacks.match_one) callbacks.match_one(data[0]);
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} else if (data.length > 1) {
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state = STATES.UNDEFINED;
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if (callbacks && callbacks.match_many) callbacks.match_many(data);
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} else {
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state = STATES.UNDEFINED;
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if (callbacks &&callbacks.match_none) callbacks.match_none();
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}
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annotate_state();
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}
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});
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}
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$dummy.autocomplete({
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source: function(req, rsp) {
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$.ajax($.extend(o, {
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url: 'controller.pl?action=CustomerVendor/ajaj_autocomplete',
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dataType: "json",
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data: ajax_data(req.term),
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success: function (data){ rsp(data) }
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}));
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},
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select: function(event, ui) {
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set_item(ui.item);
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},
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search: function(event, ui) {
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if ((event.which == KEY.SHIFT) || (event.which == KEY.CTRL) || (event.which == KEY.ALT))
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event.preventDefault();
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}
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});
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/* In case users are impatient and want to skip ahead:
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* Capture <enter> key events and check if it's a unique hit.
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* If it is, go ahead and assume it was selected. If it wasn't don't do
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* anything so that autocompletion kicks in. For <tab> don't prevent
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* propagation. It would be nice to catch it, but javascript is too stupid
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* to fire a tab event later on, so we'd have to reimplement the "find
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* next active element in tabindex order and focus it".
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*/
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/* note:
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* event.which does not contain tab events in keypressed in firefox but will report 0
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* chrome does not fire keypressed at all on tab or escape
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*/
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$dummy.keydown(function(event){
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if (event.which == KEY.ENTER || event.which == KEY.TAB) {
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// if string is empty assume they want to delete
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if ($dummy.val() === '') {
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set_item({});
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return true;
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} else if (state == STATES.PICKED) {
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return true;
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}
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if (event.which == KEY.TAB) {
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event.preventDefault();
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handle_changed_text();
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}
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if (event.which == KEY.ENTER) {
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handle_changed_text({
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match_one: function(){$('#update_button').click();},
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});
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return false;
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}
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} else if ((event.which != KEY.SHIFT) && (event.which != KEY.CTRL) && (event.which != KEY.ALT)) {
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state = STATES.UNDEFINED;
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}
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});
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$dummy.on('paste', function(){
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setTimeout(function() {
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handle_changed_text();
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}, 1);
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});
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$dummy.blur(function(){
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window.clearTimeout(timer);
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timer = window.setTimeout(annotate_state, 100);
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});
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// now add a picker div after the original input
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var pp = {
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real: function() { return $real },
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dummy: function() { return $dummy },
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type: function() { return $type },
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set_item: set_item,
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reset: make_defined_state,
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is_defined_state: function() { return state == STATES.PICKED },
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}
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$real.data('customer_vendor_picker', pp);
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return pp;
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}
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});
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$(function(){
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$('input.customer_vendor_autocomplete').each(function(i,real){
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kivi.CustomerVendorPicker($(real));
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})
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});
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