314 lines
14 KiB
JavaScript
314 lines
14 KiB
JavaScript
(function ($) {
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// Ok, let's do eeet
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ACTIVE_NODE_BG_COLOR = '#B7D7E8';
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RECENTLY_MOVED_COLOR = '#FFFF00';
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RECENTLY_MOVED_FADEOUT = '#FFFFFF';
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ABORT_COLOR = '#EECCCC';
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DRAG_LINE_COLOR = '#AA00AA';
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RECENTLY_FADE_DURATION = 2000;
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// This is the basic Node class, which handles UI tree operations for each 'row'
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var Node = function (elem) {
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var $elem = $(elem);
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var node_id = $elem.attr('node');
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var parent_id = $elem.attr('parent');
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var level = parseInt($elem.attr('level'));
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var children_num = parseInt($elem.attr('children-num'));
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return {
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elem: elem,
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$elem: $elem,
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node_id: node_id,
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parent_id: parent_id,
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level: level,
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has_children: function () {
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return children_num > 0;
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},
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node_name: function () {
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// Returns the text of the node
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return $elem.find('th a:not(.collapse)').text();
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},
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is_collapsed: function () {
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return $elem.find('a.collapse').hasClass('collapsed');
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},
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children: function () {
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return $('tr[parent=' + node_id + ']');
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},
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collapse: function () {
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// For each children, hide it's childrens and so on...
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$.each(this.children(),function () {
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var node = new Node(this);
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node.collapse();
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}).hide();
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// Swicth class to set the proprt expand/collapse icon
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$elem.find('a.collapse').removeClass('expanded').addClass('collapsed');
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},
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parent_node: function () {
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// Returns a Node object of the parent
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return new Node($('tr[node=' + parent_id + ']', $elem.parent())[0]);
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},
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expand: function () {
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// Display each kid (will display in collapsed state)
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this.children().show();
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// Swicth class to set the proprt expand/collapse icon
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$elem.find('a.collapse').removeClass('collapsed').addClass('expanded');
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},
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toggle: function () {
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if (this.is_collapsed()) {
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this.expand();
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} else {
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this.collapse();
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}
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},
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clone: function () {
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return $elem.clone();
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}
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}
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};
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$(document).ready(function () {
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// begin csrf token code
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// Taken from http://docs.djangoproject.com/en/dev/ref/contrib/csrf/#ajax
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$(document).ajaxSend(function (event, xhr, settings) {
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function getCookie(name) {
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var cookieValue = null;
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if (document.cookie && document.cookie != '') {
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var cookies = document.cookie.split(';');
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for (var i = 0; i < cookies.length; i++) {
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var cookie = jQuery.trim(cookies[i]);
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// Does this cookie string begin with the name we want?
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if (cookie.substring(0, name.length + 1) == (name + '=')) {
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cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
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break;
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}
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}
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}
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return cookieValue;
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}
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if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
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// Only send the token to relative URLs i.e. locally.
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xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
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}
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});
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// end csrf token code
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// Don't activate drag or collapse if GET filters are set on the page
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if ($('#has-filters').val() === "1") {
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return;
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}
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$body = $('body');
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// Activate all rows for drag & drop
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// then bind mouse down event
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$('td.drag-handler span').addClass('active').bind('mousedown', function (evt) {
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$ghost = $('<div id="ghost"></div>');
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$drag_line = $('<div id="drag_line"><span></span></div>');
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$ghost.appendTo($body);
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$drag_line.appendTo($body);
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var stop_drag = function () {
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$ghost.remove();
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$drag_line.remove();
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$body.enableSelection().unbind('mousemove').unbind('mouseup');
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node.elem.removeAttribute('style');
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};
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// Create a clone create the illusion that we're moving the node
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var node = new Node($(this).closest('tr')[0]);
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cloned_node = node.clone();
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node.$elem.css({
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'background': ACTIVE_NODE_BG_COLOR
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});
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$targetRow = null;
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as_child = false;
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// Now make the new clone move with the mouse
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$body.disableSelection().bind('mousemove',function (evt2) {
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$ghost.html(cloned_node).css({ // from FeinCMS :P
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'opacity': .8,
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'position': 'absolute',
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'top': evt2.pageY,
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'left': evt2.pageX - 30,
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'width': 600
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});
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// Iterate through all rows and see where am I moving so I can place
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// the drag line accordingly
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rowHeight = node.$elem.height();
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$('tr', node.$elem.parent()).each(function (index, element) {
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$row = $(element);
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rtop = $row.offset().top;
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// The tooltop will display whether I'm droping the element as
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// child or sibling
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$tooltip = $drag_line.find('span');
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$tooltip.css({
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'left': node.$elem.width() - $tooltip.width(),
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'height': rowHeight,
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});
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node_top = node.$elem.offset().top;
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// Check if you are dragging over the same node
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if (evt2.pageY >= node_top && evt2.pageY <= node_top + rowHeight) {
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$targetRow = null;
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$tooltip.text(gettext('Abort'));
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$drag_line.css({
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'top': node_top,
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'height': rowHeight,
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'borderWidth': 0,
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'opacity': 0.8,
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'backgroundColor': ABORT_COLOR
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});
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} else
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// Check if mouse is over this row
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if (evt2.pageY >= rtop && evt2.pageY <= rtop + rowHeight / 2) {
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// The mouse is positioned on the top half of a $row
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$targetRow = $row;
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as_child = false;
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$drag_line.css({
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'left': node.$elem.offset().left,
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'width': node.$elem.width(),
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'top': rtop,
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'borderWidth': '5px',
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'height': 0,
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'opacity': 1
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});
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$tooltip.text(gettext('As Sibling'));
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} else if (evt2.pageY >= rtop + rowHeight / 2 && evt2.pageY <= rtop + rowHeight) {
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// The mouse is positioned on the bottom half of a row
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$targetRow = $row;
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target_node = new Node($targetRow[0]);
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if (target_node.is_collapsed()) {
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target_node.expand();
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}
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as_child = true;
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$drag_line.css({
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'top': rtop,
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'left': node.$elem.offset().left,
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'height': rowHeight,
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'opacity': 0.4,
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'width': node.$elem.width(),
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'borderWidth': 0,
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'backgroundColor': DRAG_LINE_COLOR
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});
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$tooltip.text(gettext('As child'));
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}
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});
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}).bind('mouseup',function () {
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if ($targetRow !== null) {
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target_node = new Node($targetRow[0]);
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if (target_node.node_id !== node.node_id) {
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/*alert('Insert node ' + node.node_name() + ' as child of: '
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+ target_node.parent_node().node_name() + '\n and sibling of: '
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+ target_node.node_name());*/
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// Call $.ajax so we can handle the error
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// On Drop, make an XHR call to perform the node move
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$.ajax({
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url: window.MOVE_NODE_ENDPOINT,
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type: 'POST',
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data: {
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node_id: node.node_id,
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parent_id: target_node.parent_id,
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sibling_id: target_node.node_id,
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as_child: as_child ? 1 : 0
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},
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complete: function (req, status) {
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// http://stackoverflow.com/questions/1439895/add-a-hash-with-javascript-to-url-without-scrolling-page/1439910#1439910
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node.$elem.remove();
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window.location.hash = 'node-' + node.node_id;
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window.location.reload();
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},
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error: function (req, status, error) {
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// On error (!200) also reload to display
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// the message
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node.$elem.remove();
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window.location.hash = 'node-' + node.node_id;
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window.location.reload();
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}
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});
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}
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}
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stop_drag();
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}).bind('keyup', function (kbevt) {
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// Cancel drag on escape
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if (kbevt.keyCode === 27) {
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stop_drag();
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}
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});
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});
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$('a.collapse').click(function () {
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var node = new Node($(this).closest('tr')[0]); // send the DOM node, not jQ
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node.toggle();
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return false;
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});
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var hash = window.location.hash;
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// This is a hack, the actual element's id ends in '-id' but the url's hash
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// doesn't, I'm doing this to avoid scrolling the page... is that a good thing?
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if (hash) {
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$(hash + '-id').animate({
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backgroundColor: RECENTLY_MOVED_COLOR
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}, RECENTLY_FADE_DURATION, function () {
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$(this).animate({
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backgroundColor: RECENTLY_MOVED_FADEOUT
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}, RECENTLY_FADE_DURATION, function () {
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this.removeAttribute('style');
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});
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});
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}
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});
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})(django.jQuery);
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// http://stackoverflow.com/questions/190560/jquery-animate-backgroundcolor/2302005#2302005
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(function (d) {
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d.each(["backgroundColor", "borderBottomColor", "borderLeftColor", "borderRightColor", "borderTopColor", "color", "outlineColor"], function (f, e) {
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d.fx.step[e] = function (g) {
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if (!g.colorInit) {
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g.start = c(g.elem, e);
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g.end = b(g.end);
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g.colorInit = true
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}
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g.elem.style[e] = "rgb(" + [Math.max(Math.min(parseInt((g.pos * (g.end[0] - g.start[0])) + g.start[0]), 255), 0), Math.max(Math.min(parseInt((g.pos * (g.end[1] - g.start[1])) + g.start[1]), 255), 0), Math.max(Math.min(parseInt((g.pos * (g.end[2] - g.start[2])) + g.start[2]), 255), 0)].join(",") + ")"
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}
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});
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function b(f) {
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var e;
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if (f && f.constructor == Array && f.length == 3) {
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return f
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}
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if (e = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(f)) {
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return[parseInt(e[1]), parseInt(e[2]), parseInt(e[3])]
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}
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if (e = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(f)) {
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return[parseFloat(e[1]) * 2.55, parseFloat(e[2]) * 2.55, parseFloat(e[3]) * 2.55]
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}
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if (e = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(f)) {
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return[parseInt(e[1], 16), parseInt(e[2], 16), parseInt(e[3], 16)]
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}
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if (e = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(f)) {
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return[parseInt(e[1] + e[1], 16), parseInt(e[2] + e[2], 16), parseInt(e[3] + e[3], 16)]
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}
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if (e = /rgba\(0, 0, 0, 0\)/.exec(f)) {
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return a.transparent
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}
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return a[d.trim(f).toLowerCase()]
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}
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function c(g, e) {
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var f;
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do {
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f = d.css(g, e);
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if (f != "" && f != "transparent" || d.nodeName(g, "body")) {
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break
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}
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e = "backgroundColor"
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} while (g = g.parentNode);
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return b(f)
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}
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var a = {aqua: [0, 255, 255], azure: [240, 255, 255], beige: [245, 245, 220], black: [0, 0, 0], blue: [0, 0, 255], brown: [165, 42, 42], cyan: [0, 255, 255], darkblue: [0, 0, 139], darkcyan: [0, 139, 139], darkgrey: [169, 169, 169], darkgreen: [0, 100, 0], darkkhaki: [189, 183, 107], darkmagenta: [139, 0, 139], darkolivegreen: [85, 107, 47], darkorange: [255, 140, 0], darkorchid: [153, 50, 204], darkred: [139, 0, 0], darksalmon: [233, 150, 122], darkviolet: [148, 0, 211], fuchsia: [255, 0, 255], gold: [255, 215, 0], green: [0, 128, 0], indigo: [75, 0, 130], khaki: [240, 230, 140], lightblue: [173, 216, 230], lightcyan: [224, 255, 255], lightgreen: [144, 238, 144], lightgrey: [211, 211, 211], lightpink: [255, 182, 193], lightyellow: [255, 255, 224], lime: [0, 255, 0], magenta: [255, 0, 255], maroon: [128, 0, 0], navy: [0, 0, 128], olive: [128, 128, 0], orange: [255, 165, 0], pink: [255, 192, 203], purple: [128, 0, 128], violet: [128, 0, 128], red: [255, 0, 0], silver: [192, 192, 192], white: [255, 255, 255], yellow: [255, 255, 0], transparent: [255, 255, 255]}
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})(django.jQuery);
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