foodsoft/public/javascripts/application.js

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JavaScript
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2009-01-06 11:49:19 +01:00
// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
// for checkboxes. just insert box in same form-element like:
// <input type="checkbox" name="checkall" onclick="checkUncheckAll(this);"/>
// credit to Shawn Olson & http://www.shawnolson.net
function checkUncheckAll(theElement) {
var theForm = theElement.form, z = 0;
for(z=0; z<theForm.length;z++){
if(theForm[z].type == 'checkbox' && theForm[z].name != 'checkall'){
theForm[z].checked = theElement.checked;
// remove "checkbox_" in form-id before call highligh-function
highlightRow(theForm[z].id.substring(9), theElement.checked);
}
}
}
// gives the row an yellow background
function highlightRow(row_id,status) {
if(status) {
$(row_id).addClassName("selected");
} else {
$(row_id).removeClassName("selected");
}
}
// check or uncheck a given checkbox and adds or removes class "selected"
// used prototype to get the element
function checkRow(id) {
var checkbox = "checkbox_" + id
if($(checkbox).checked) {
$(checkbox).checked = false;
highlightRow(id,false);
} else {
$(checkbox).checked = true;
highlightRow(id,true);
}
}
// redirect to another "item"
// this function is used with an select menu
// for an example see app/views/articles/list.haml
function redirectTo(newLoc) {
nextPage = newLoc.options[newLoc.selectedIndex].value
if (nextPage != "") {
document.location.href = nextPage
}
}
// Use with auto_complete to set a unique id,
// e.g. when the user selects a (may not unique) name
// There must be a hidden field with the id 'hidden_field'
function setHiddenId(text, li) {
$('hidden_id').value = li.id;
}