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wice_grid.js
function WiceGridProcessor(name, base_request_for_filter, base_link_for_show_all_records,
link_for_export, parameter_name_for_query_loading, parameter_name_for_focus, environment){
this.checkIfJsFrameworkIsLoaded = function(){
if (! jQuery){
alert("jQuery not loaded, WiceGrid cannot proceed!")
}
}
this.checkIfJsFrameworkIsLoaded();
this.name = name;
this.parameter_name_for_query_loading = parameter_name_for_query_loading;
this.parameter_name_for_focus = parameter_name_for_focus;
this.base_request_for_filter = base_request_for_filter;
this.base_link_for_show_all_records = base_link_for_show_all_records;
this.link_for_export = link_for_export;
this.filter_declarations = new Array();
this.environment = environment;
this.toString = function(){
return "<WiceGridProcessor instance for grid '" + this.name + "'>";
}
this.process = function(dom_id_to_focus){
window.location = this.build_url_with_params(dom_id_to_focus);
}
this.reload_page_for_given_grid_state = function(grid_state){
var request_path = this.grid_state_to_request(grid_state);
window.location = this.append_to_url(this.base_link_for_show_all_records, request_path);
}
this.load_query = function(query_id){
var request = this.append_to_url(this.build_url_with_params(),
(this.parameter_name_for_query_loading + encodeURIComponent(query_id)));
window.location = request;
}
this.save_query = function(field_id, query_name, base_path_to_query_controller, grid_state, input_ids){
if (input_ids instanceof Array) {
input_ids.each(function(dom_id){
grid_state.push(['extra[' + dom_id + ']', $('#'+ dom_id)[0].value])
});
}
var request_path = this.grid_state_to_request(grid_state);
jQuery.ajax({
url: base_path_to_query_controller,
async: true,
data: request_path + '&query_name=' + encodeURIComponent(query_name),
dataType: 'script',
success: function(){$('#' + field_id).val('')},
type: 'POST'
});
}
this.grid_state_to_request = function(grid_state){
return jQuery.map(grid_state, function(pair){
return encodeURIComponent(pair[0]) + '=' + encodeURIComponent(pair[1]);
}).join('&');
}
this.append_to_url = function(url, str){
var sep;
if (url.indexOf('?') != -1){
if (/[&\?]$/.exec(url)){
sep = '';
}else{
sep = '&';
}
}else{
sep = '?';
}
return url + sep + str;
}
this.build_url_with_params = function(dom_id_to_focus){
var results = new Array();
var _this = this;
jQuery.each(this.filter_declarations, function(i, filter_declaration){
param = _this.read_values_and_form_query_string(
filter_declaration.filter_name, filter_declaration.detached,
filter_declaration.templates, filter_declaration.ids);
if (param && param != ''){
results.push(param);
}
});
var res = this.base_request_for_filter;
if ( results.length != 0){
all_filter_params = results.join('&');
res = this.append_to_url(res, all_filter_params);
}
if (dom_id_to_focus){
res = this.append_to_url(res, this.parameter_name_for_focus + dom_id_to_focus);
}
return res;
}
this.reset = function(){
window.location = this.base_request_for_filter;
}
this.export_to_csv = function(){
window.location = this.link_for_export;
}
this.register = function(func){
this.filter_declarations.push(func);
}
this.read_values_and_form_query_string = function(filter_name, detached, templates, ids){
var res = new Array();
for(i = 0; i < templates.length; i++){
if($(ids[i]) == null){
if (this.environment == "development"){
message = 'WiceGrid: Error reading state of filter "' + filter_name + '". No DOM element with id "' + ids[i] + '" found.'
if (detached){
message += 'You have declared "' + filter_name +
'" as a detached filter but have not output it anywhere in the template. Read documentation about detached filters.'
}
alert(message);
}
return '';
}
var el = $('#' + ids[i]);
var val;
if (el[0] && el[0].type == 'checkbox'){
if (el[0].checked) val = 1;
} else {
val = el.val();
}
if (val instanceof Array) {
for(j = 0; j < val.length; j++){
if (val[j] && val[j] != "")
res.push(templates[i] + encodeURIComponent(val[j]));
}
} else if (val && val != ''){
res.push(templates[i] + encodeURIComponent(val));
}
}
return res.join('&');
}
};
function toggle_multi_select(select_id, link_obj, expand_label, collapse_label) {
var select = $('#' + select_id)[0];
if (select.multiple == true) {
select.multiple = false;
link_obj.title = expand_label;
} else {
select.multiple = true;
link_obj.title = collapse_label;
}
}
WiceGridProcessor._version = '0.4.3';
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