kivitendo/js/autocomplete_project.js @ 1e9c7c65
| fac8417d | Moritz Bunkus | namespace('kivi', function(k){
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k.ProjectPicker = function($real, options) {
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// short circuit in case someone double inits us
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if ($real.data("project_picker"))
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return $real.data("project_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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};
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var CLASSES = {
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PICKED: 'projectpicker-picked',
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UNDEFINED: 'projectpicker-undefined',
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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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}, 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 $customer_id = $('#' + real_id + '_customer_id');
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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.valid': 'valid',
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no_paginate: $('#no_paginate').prop('checked') ? 1 : 0,
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current: $real.val(),
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};
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if ($customer_id && $customer_id.val())
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data['filter.customer_id'] = $customer_id.val().split(',');
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return data;
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}
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function set_item (item) {
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if (item.id) {
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$real.val(item.id);
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// autocomplete ui has name, use the value for ajax items, which contains displayable_name
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$dummy.val(item.name ? item.name : item.value);
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} else {
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$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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last_unverified_dummy = $dummy.val();
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$real.trigger('change');
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$real.trigger('set_item:ProjectPicker', item);
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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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last_unverified_dummy = $dummy.val();
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set_item({ id: last_real, name: last_dummy })
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}
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annotate_state();
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}
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function annotate_state () {
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if (state == STATES.PICKED)
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$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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last_unverified_dummy = $dummy.val();
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$dummy.addClass(STATES.UNDEFINED).removeClass(STATES.PICKED);
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}
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}
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function update_results () {
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$.ajax({
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url: 'controller.pl?action=Project/project_picker_result',
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data: $.extend({
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'real_id': $real.val(),
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}, ajax_data(function(){ var val = $('#project_picker_filter').val(); return val === undefined ? '' : val })),
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success: function(data){ $('#project_picker_result').html(data) }
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});
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};
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function result_timer (event) {
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if (!$('no_paginate').prop('checked')) {
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if (event.keyCode == KEY.PAGE_UP) {
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$('#project_picker_result a.paginate-prev').click();
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return;
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}
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if (event.keyCode == KEY.PAGE_DOWN) {
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$('#project_picker_result a.paginate-next').click();
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return;
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}
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}
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window.clearTimeout(timer);
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timer = window.setTimeout(update_results, 100);
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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=Project/ajax_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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});
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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 ($dummy.val() == '') {
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set_item({});
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return true;
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} else if (state == STATES.PICKED) {
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return true;
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}
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if (event.which == KEY.TAB) event.preventDefault();
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$.ajax({
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url: 'controller.pl?action=Project/ajax_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 (event.which == KEY.ENTER)
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$('#update_button').click();
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} else {
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}
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annotate_state();
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}
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});
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if (event.which == KEY.ENTER)
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return false;
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} else {
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state = STATES.UNDEFINED;
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}
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});
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$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 pcont = $('<span>').addClass('position-absolute');
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var picker = $('<div>');
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$dummy.after(pcont);
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pcont.append(picker);
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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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customer_id: function() { return $customer_id },
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update_results: update_results,
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result_timer: result_timer,
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set_item: set_item,
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reset: make_defined_state,
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is_defined_state: function() { return state == STATES.PICKED },
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init_results: function () {
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$('div.project_picker_project').each(function(){
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$(this).click(function(){
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set_item({
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id: $(this).children('input.project_picker_id').val(),
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name: $(this).children('input.project_picker_description').val(),
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});
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$dummy.focus();
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return true;
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});
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});
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$('#project_selection').keydown(function(e){
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if (e.which == KEY.ESCAPE) {
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$dummy.focus();
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}
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});
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}
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}
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$real.data('project_picker', pp);
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return pp;
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}
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});
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$(function(){
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$('input.project_autocomplete').each(function(i,real){
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kivi.ProjectPicker($(real));
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})
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});
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