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comparison modules/block/block.js @ 1:c1f4ac30525a 6.0

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Drupal 6.0
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:28:28 +0100
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0:5a113a1c4740 1:c1f4ac30525a
1 // $Id: block.js,v 1.2 2007/12/16 10:36:53 goba Exp $
2
3 /**
4 * Move a block in the blocks table from one region to another via select list.
5 *
6 * This behavior is dependent on the tableDrag behavior, since it uses the
7 * objects initialized in that behavior to update the row.
8 */
9 Drupal.behaviors.blockDrag = function(context) {
10 var table = $('table#blocks');
11 var tableDrag = Drupal.tableDrag.blocks; // Get the blocks tableDrag object.
12
13 // Add a handler for when a row is swapped, update empty regions.
14 tableDrag.row.prototype.onSwap = function(swappedRow) {
15 checkEmptyRegions(table, this);
16 };
17
18 // A custom message for the blocks page specifically.
19 Drupal.theme.tableDragChangedWarning = function () {
20 return '<div class="warning">' + Drupal.theme('tableDragChangedMarker') + ' ' + Drupal.t("The changes to these blocks will not be saved until the <em>Save blocks</em> button is clicked.") + '</div>';
21 };
22
23 // Add a handler so when a row is dropped, update fields dropped into new regions.
24 tableDrag.onDrop = function() {
25 dragObject = this;
26 if ($(dragObject.rowObject.element).prev('tr').is('.region-message')) {
27 var regionRow = $(dragObject.rowObject.element).prev('tr').get(0);
28 var regionName = regionRow.className.replace(/([^ ]+[ ]+)*region-([^ ]+)-message([ ]+[^ ]+)*/, '$2');
29 var regionField = $('select.block-region-select', dragObject.rowObject.element);
30 var weightField = $('select.block-weight', dragObject.rowObject.element);
31 var oldRegionName = weightField[0].className.replace(/([^ ]+[ ]+)*block-weight-([^ ]+)([ ]+[^ ]+)*/, '$2');
32
33 if (!regionField.is('.block-region-'+ regionName)) {
34 regionField.removeClass('block-region-' + oldRegionName).addClass('block-region-' + regionName);
35 weightField.removeClass('block-weight-' + oldRegionName).addClass('block-weight-' + regionName);
36 regionField.val(regionName);
37 }
38 }
39 };
40
41 // Add the behavior to each region select list.
42 $('select.block-region-select:not(.blockregionselect-processed)', context).each(function() {
43 $(this).change(function(event) {
44 // Make our new row and select field.
45 var row = $(this).parents('tr:first');
46 var select = $(this);
47 tableDrag.rowObject = new tableDrag.row(row);
48
49 // Find the correct region and insert the row as the first in the region.
50 $('tr.region-message', table).each(function() {
51 if ($(this).is('.region-' + select[0].value + '-message')) {
52 // Add the new row and remove the old one.
53 $(this).after(row);
54 // Manually update weights and restripe.
55 tableDrag.updateFields(row.get(0));
56 tableDrag.rowObject.changed = true;
57 if (tableDrag.oldRowElement) {
58 $(tableDrag.oldRowElement).removeClass('drag-previous');
59 }
60 tableDrag.oldRowElement = row.get(0);
61 tableDrag.restripeTable();
62 tableDrag.rowObject.markChanged();
63 tableDrag.oldRowElement = row;
64 $(row).addClass('drag-previous');
65 }
66 });
67
68 // Modify empty regions with added or removed fields.
69 checkEmptyRegions(table, row);
70 // Remove focus from selectbox.
71 select.get(0).blur();
72 });
73 $(this).addClass('blockregionselect-processed');
74 });
75
76 var checkEmptyRegions = function(table, rowObject) {
77 $('tr.region-message', table).each(function() {
78 // If the dragged row is in this region, but above the message row, swap it down one space.
79 if ($(this).prev('tr').get(0) == rowObject.element) {
80 // Prevent a recursion problem when using the keyboard to move rows up.
81 if ((rowObject.method != 'keyboard' || rowObject.direction == 'down')) {
82 rowObject.swap('after', this);
83 }
84 }
85 // This region has become empty
86 if ($(this).next('tr').is(':not(.draggable)') || $(this).next('tr').size() == 0) {
87 $(this).removeClass('region-populated').addClass('region-empty');
88 }
89 // This region has become populated.
90 else if ($(this).is('.region-empty')) {
91 $(this).removeClass('region-empty').addClass('region-populated');
92 }
93 });
94 };
95 };