/*
Copyright 2008-2009 University of Cambridge
Copyright 2008-2009 University of Toronto
Copyright 2010-2011 Lucendo Development Ltd.
Copyright 2011 OCAD University
Copyright 2013 Raising the Floor - US
Licensed under the Educational Community License (ECL), Version 2.0 or the New
BSD license. You may not use this file except in compliance with one these
Licenses.
You may obtain a copy of the ECL 2.0 License and BSD License at
https://github.com/fluid-project/infusion/raw/master/Infusion-LICENSE.txt
*/
var fluid_3_0_0 = fluid_3_0_0 || {};
(function ($, fluid) {
"use strict";
fluid.registerNamespace("fluid.reorderImages");
fluid.reorderImages.deriveLightboxCellBase = function (namebase, index) {
return namebase + "lightbox-cell:" + index + ":";
};
fluid.reorderImages.addThumbnailActivateHandler = function (container) {
var enterKeyHandler = function (evt) {
if (evt.which === fluid.reorderer.keys.ENTER) {
var thumbnailAnchors = $("a", evt.target);
document.location = thumbnailAnchors.attr("href");
}
};
container.keypress(enterKeyHandler);
};
// Custom query method seeks all tags descended from a given root with a
// particular tag name, whose id matches a regex.
fluid.reorderImages.seekNodesById = function (rootnode, tagname, idmatch) {
var inputs = rootnode.getElementsByTagName(tagname);
var togo = [];
for (var i = 0; i < inputs.length; i += 1) {
var input = inputs[i];
var id = input.id;
if (id && id.match(idmatch)) {
togo.push(input);
}
}
return togo;
};
fluid.reorderImages.createImageCellFinder = function (parentNode, containerId) {
containerId = containerId || parentNode.prop("id");
parentNode = fluid.unwrap(parentNode);
var lightboxCellNamePattern = "^" + fluid.reorderImages.deriveLightboxCellBase(containerId, "[0-9]+") + "$";
return function () {
// This orderable finder assumes that the lightbox thumbnails are 'div' elements
return fluid.reorderImages.seekNodesById(parentNode, "div", lightboxCellNamePattern);
};
};
fluid.reorderImages.seekForm = function (container) {
return fluid.findAncestor(container, function (element) {
return $(element).is("form");
});
};
fluid.reorderImages.seekInputs = function (container, reorderform) {
return fluid.reorderImages.seekNodesById(reorderform,
"input",
"^" + fluid.reorderImages.deriveLightboxCellBase(container.prop("id"), "[^:]*") + "reorder-index$");
};
fluid.reorderImages.mapIdsToNames = function (container, reorderform) {
var inputs = fluid.reorderImages.seekInputs(container, reorderform);
for (var i = 0; i < inputs.length; i++) {
var input = inputs[i];
var name = input.name;
input.name = name || input.id;
}
};
/**
* Returns a default afterMove listener using the id-based, form-driven scheme for communicating with the server.
* It is implemented by nesting hidden form fields inside each thumbnail container. The value of these form elements
* represent the order for each image. This default listener submits the form's default
* action via AJAX.
*
* @param {jQueryable} container - The Image Reorderer's container element.
* @return {Function} - A function which can be used as a listener for the afterMove event.
*/
fluid.reorderImages.createIDAfterMoveListener = function (container) {
var reorderform = fluid.reorderImages.seekForm(container);
fluid.reorderImages.mapIdsToNames(container, reorderform);
return function () {
var inputs, i;
inputs = fluid.reorderImages.seekInputs(container, reorderform);
for (i = 0; i < inputs.length; i += 1) {
inputs[i].value = i;
}
Eif (reorderform && reorderform.action) {
var order = $(reorderform).serialize();
$.post(reorderform.action,
order,
function () { /* No-op response */ });
}
};
};
// Public Lightbox API
/**
* Creates a new Lightbox instance from the specified parameters, providing full control over how
* the Lightbox is configured.
*
* @param container {Object}
* @param options {Object}
*/
fluid.defaults("fluid.reorderImages", {
gradeNames: ["fluid.reorderer"],
layoutHandler: "fluid.gridLayoutHandler",
listeners: {
"afterMove.postModel": {
expander: {
funcName: "fluid.reorderImages.createIDAfterMoveListener",
args: "{that}.container"
}
}
},
selectors: {
movables: {
expander: {
funcName: "fluid.reorderImages.createImageCellFinder",
args: "{that}.container"
}
},
labelSource: ".flc-reorderer-imageTitle"
}
});
// This function now deprecated. Please use fluid.reorderImages() instead.
fluid.lightbox = fluid.reorderImages;
})(jQuery, fluid_3_0_0);
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