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kivitendo/js/autocomplete_project.js @ b592435b

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namespace('kivi', function(k){
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"use strict";

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k.ProjectPicker = function($real, options) {
// short circuit in case someone double inits us
if ($real.data("project_picker"))
return $real.data("project_picker");

var KEY = {
ESCAPE: 27,
ENTER: 13,
TAB: 9,
LEFT: 37,
RIGHT: 39,
PAGE_UP: 33,
PAGE_DOWN: 34,
};
var CLASSES = {
PICKED: 'projectpicker-picked',
UNDEFINED: 'projectpicker-undefined',
}
var o = $.extend({
limit: 20,
delay: 50,
}, options);
var STATES = {
PICKED: CLASSES.PICKED,
UNDEFINED: CLASSES.UNDEFINED
}
var real_id = $real.attr('id');
var $dummy = $('#' + real_id + '_name');
var $customer_id = $('#' + real_id + '_customer_id');
var state = STATES.PICKED;
var last_real = $real.val();
var last_dummy = $dummy.val();
var timer;

function ajax_data(term) {
var data = {
'filter.all:substr:multi::ilike': term,
'filter.valid': 'valid',
no_paginate: $('#no_paginate').prop('checked') ? 1 : 0,
current: $real.val(),
};

if ($customer_id && $customer_id.val())
data['filter.customer_id'] = $customer_id.val().split(',');

return data;
}

function set_item (item) {
if (item.id) {
$real.val(item.id);
// autocomplete ui has name, use the value for ajax items, which contains displayable_name
$dummy.val(item.name ? item.name : item.value);
} else {
$real.val('');
$dummy.val('');
}
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state = STATES.PICKED;
last_real = $real.val();
last_dummy = $dummy.val();
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$real.trigger('change');
$real.trigger('set_item:ProjectPicker', item);

annotate_state();
}

function make_defined_state () {
if (state == STATES.PICKED) {
annotate_state();
return true
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} else if (state == STATES.UNDEFINED && $dummy.val() === '')
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set_item({})
else {
set_item({ id: last_real, name: last_dummy })
}
annotate_state();
}

function annotate_state () {
if (state == STATES.PICKED)
$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);
else {
$dummy.addClass(STATES.UNDEFINED).removeClass(STATES.PICKED);
}
}

function update_results () {
$.ajax({
url: 'controller.pl?action=Project/project_picker_result',
data: $.extend({
'real_id': $real.val(),
}, ajax_data(function(){ var val = $('#project_picker_filter').val(); return val === undefined ? '' : val })),
success: function(data){ $('#project_picker_result').html(data) }
});
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}
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function result_timer (event) {
if (!$('no_paginate').prop('checked')) {
if (event.keyCode == KEY.PAGE_UP) {
$('#project_picker_result a.paginate-prev').click();
return;
}
if (event.keyCode == KEY.PAGE_DOWN) {
$('#project_picker_result a.paginate-next').click();
return;
}
}
window.clearTimeout(timer);
timer = window.setTimeout(update_results, 100);
}

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function handle_changed_text(callbacks) {
$.ajax({
url: 'controller.pl?action=Project/ajax_autocomplete',
dataType: "json",
data: $.extend( ajax_data($dummy.val()), { prefer_exact: 1 } ),
success: function (data) {
if (data.length == 1) {
set_item(data[0]);
if (callbacks && callbacks.match_one) callbacks.match_one(data[0]);
} else if (data.length > 1) {
state = STATES.UNDEFINED;
if (callbacks && callbacks.match_many) callbacks.match_many(data);
} else {
state = STATES.UNDEFINED;
if (callbacks &&callbacks.match_none) callbacks.match_none();
}
annotate_state();
}
});
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}
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$dummy.autocomplete({
source: function(req, rsp) {
$.ajax($.extend(o, {
url: 'controller.pl?action=Project/ajax_autocomplete',
dataType: "json",
data: ajax_data(req.term),
success: function (data){ rsp(data) }
}));
},
select: function(event, ui) {
set_item(ui.item);
},
});
/* In case users are impatient and want to skip ahead:
* Capture <enter> key events and check if it's a unique hit.
* If it is, go ahead and assume it was selected. If it wasn't don't do
* anything so that autocompletion kicks in. For <tab> don't prevent
* propagation. It would be nice to catch it, but javascript is too stupid
* to fire a tab event later on, so we'd have to reimplement the "find
* next active element in tabindex order and focus it".
*/
/* note:
* event.which does not contain tab events in keypressed in firefox but will report 0
* chrome does not fire keypressed at all on tab or escape
*/
$dummy.keydown(function(event){
if (event.which == KEY.ENTER || event.which == KEY.TAB) {
// if string is empty assume they want to delete
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if ($dummy.val() === '') {
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set_item({});
return true;
} else if (state == STATES.PICKED) {
return true;
}
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if (event.which == KEY.TAB) {
event.preventDefault();
handle_changed_text();
}
if (event.which == KEY.ENTER) {
handle_changed_text({
match_one: function(){$('#update_button').click();},
});
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return false;
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}
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} else {
state = STATES.UNDEFINED;
}
});

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$dummy.on('paste', function(){
setTimeout(function() {
handle_changed_text();
}, 1);
});

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$dummy.blur(function(){
window.clearTimeout(timer);
timer = window.setTimeout(annotate_state, 100);
});

// now add a picker div after the original input
var pcont = $('<span>').addClass('position-absolute');
var picker = $('<div>');
$dummy.after(pcont);
pcont.append(picker);

var pp = {
real: function() { return $real },
dummy: function() { return $dummy },
type: function() { return $type },
customer_id: function() { return $customer_id },
update_results: update_results,
result_timer: result_timer,
set_item: set_item,
reset: make_defined_state,
is_defined_state: function() { return state == STATES.PICKED },
init_results: function () {
$('div.project_picker_project').each(function(){
$(this).click(function(){
set_item({
id: $(this).children('input.project_picker_id').val(),
name: $(this).children('input.project_picker_description').val(),
});
$dummy.focus();
return true;
});
});
$('#project_selection').keydown(function(e){
if (e.which == KEY.ESCAPE) {
$dummy.focus();
}
});
}
}
$real.data('project_picker', pp);
return pp;
}
});

$(function(){
$('input.project_autocomplete').each(function(i,real){
kivi.ProjectPicker($(real));
})
});