/**
- * @file
- * Provide dragging capabilities to admin uis.
- */
-
-/**
- * Triggers when weights columns are toggled.
- *
- * @event columnschange
- */
+* DO NOT EDIT THIS FILE.
+* See the following change record for more information,
+* https://www.drupal.org/node/2815083
+* @preserve
+**/
(function ($, Drupal, drupalSettings) {
-
- 'use strict';
-
- /**
- * Store the state of weight columns display for all tables.
- *
- * Default value is to hide weight columns.
- */
var showWeight = JSON.parse(localStorage.getItem('Drupal.tableDrag.showWeight'));
- /**
- * Drag and drop table rows with field manipulation.
- *
- * Using the drupal_attach_tabledrag() function, any table with weights or
- * parent relationships may be made into draggable tables. Columns containing
- * a field may optionally be hidden, providing a better user experience.
- *
- * Created tableDrag instances may be modified with custom behaviors by
- * overriding the .onDrag, .onDrop, .row.onSwap, and .row.onIndent methods.
- * See blocks.js for an example of adding additional functionality to
- * tableDrag.
- *
- * @type {Drupal~behavior}
- */
Drupal.behaviors.tableDrag = {
- attach: function (context, settings) {
+ attach: function attach(context, settings) {
function initTableDrag(table, base) {
if (table.length) {
- // Create the new tableDrag instance. Save in the Drupal variable
- // to allow other scripts access to the object.
Drupal.tableDrag[base] = new Drupal.tableDrag(table[0], settings.tableDrag[base]);
}
}
}
};
- /**
- * Provides table and field manipulation.
- *
- * @constructor
- *
- * @param {HTMLElement} table
- * DOM object for the table to be made draggable.
- * @param {object} tableSettings
- * Settings for the table added via drupal_add_dragtable().
- */
Drupal.tableDrag = function (table, tableSettings) {
var self = this;
var $table = $(table);
- /**
- * @type {jQuery}
- */
this.$table = $(table);
- /**
- *
- * @type {HTMLElement}
- */
this.table = table;
- /**
- * @type {object}
- */
this.tableSettings = tableSettings;
- /**
- * Used to hold information about a current drag operation.
- *
- * @type {?HTMLElement}
- */
this.dragObject = null;
- /**
- * Provides operations for row manipulation.
- *
- * @type {?HTMLElement}
- */
this.rowObject = null;
- /**
- * Remember the previous element.
- *
- * @type {?HTMLElement}
- */
this.oldRowElement = null;
- /**
- * Used to determine up or down direction from last mouse move.
- *
- * @type {number}
- */
this.oldY = 0;
- /**
- * Whether anything in the entire table has changed.
- *
- * @type {bool}
- */
this.changed = false;
- /**
- * Maximum amount of allowed parenting.
- *
- * @type {number}
- */
this.maxDepth = 0;
- /**
- * Direction of the table.
- *
- * @type {number}
- */
this.rtl = $(this.table).css('direction') === 'rtl' ? -1 : 1;
- /**
- *
- * @type {bool}
- */
this.striping = $(this.table).data('striping') === 1;
- /**
- * Configure the scroll settings.
- *
- * @type {object}
- *
- * @prop {number} amount
- * @prop {number} interval
- * @prop {number} trigger
- */
- this.scrollSettings = {amount: 4, interval: 50, trigger: 70};
-
- /**
- *
- * @type {?number}
- */
+ this.scrollSettings = { amount: 4, interval: 50, trigger: 70 };
+
this.scrollInterval = null;
- /**
- *
- * @type {number}
- */
this.scrollY = 0;
- /**
- *
- * @type {number}
- */
this.windowHeight = 0;
- /**
- * Check this table's settings for parent relationships.
- *
- * For efficiency, large sections of code can be skipped if we don't need to
- * track horizontal movement and indentations.
- *
- * @type {bool}
- */
this.indentEnabled = false;
for (var group in tableSettings) {
if (tableSettings.hasOwnProperty(group)) {
}
}
if (this.indentEnabled) {
-
- /**
- * Total width of indents, set in makeDraggable.
- *
- * @type {number}
- */
this.indentCount = 1;
- // Find the width of indentations to measure mouse movements against.
- // Because the table doesn't need to start with any indentations, we
- // manually append 2 indentations in the first draggable row, measure
- // the offset, then remove.
+
var indent = Drupal.theme('tableDragIndentation');
var testRow = $('<tr/>').addClass('draggable').appendTo(table);
var testCell = $('<td/>').appendTo(testRow).prepend(indent).prepend(indent);
var $indentation = testCell.find('.js-indentation');
- /**
- *
- * @type {number}
- */
this.indentAmount = $indentation.get(1).offsetLeft - $indentation.get(0).offsetLeft;
testRow.remove();
}
- // Make each applicable row draggable.
- // Match immediate children of the parent element to allow nesting.
- $table.find('> tr.draggable, > tbody > tr.draggable').each(function () { self.makeDraggable(this); });
-
- // Add a link before the table for users to show or hide weight columns.
- $table.before($('<button type="button" class="link tabledrag-toggle-weight"></button>')
- .attr('title', Drupal.t('Re-order rows by numerical weight instead of dragging.'))
- .on('click', $.proxy(function (e) {
- e.preventDefault();
- this.toggleColumns();
- }, this))
- .wrap('<div class="tabledrag-toggle-weight-wrapper"></div>')
- .parent()
- );
-
- // Initialize the specified columns (for example, weight or parent columns)
- // to show or hide according to user preference. This aids accessibility
- // so that, e.g., screen reader users can choose to enter weight values and
- // manipulate form elements directly, rather than using drag-and-drop..
+ $table.find('> tr.draggable, > tbody > tr.draggable').each(function () {
+ self.makeDraggable(this);
+ });
+
+ $table.before($('<button type="button" class="link tabledrag-toggle-weight"></button>').attr('title', Drupal.t('Re-order rows by numerical weight instead of dragging.')).on('click', $.proxy(function (e) {
+ e.preventDefault();
+ this.toggleColumns();
+ }, this)).wrap('<div class="tabledrag-toggle-weight-wrapper"></div>').parent());
+
self.initColumns();
- // Add event bindings to the document. The self variable is passed along
- // as event handlers do not have direct access to the tableDrag object.
- $(document).on('touchmove', function (event) { return self.dragRow(event.originalEvent.touches[0], self); });
- $(document).on('touchend', function (event) { return self.dropRow(event.originalEvent.touches[0], self); });
- $(document).on('mousemove pointermove', function (event) { return self.dragRow(event, self); });
- $(document).on('mouseup pointerup', function (event) { return self.dropRow(event, self); });
+ $(document).on('touchmove', function (event) {
+ return self.dragRow(event.originalEvent.touches[0], self);
+ });
+ $(document).on('touchend', function (event) {
+ return self.dropRow(event.originalEvent.touches[0], self);
+ });
+ $(document).on('mousemove pointermove', function (event) {
+ return self.dragRow(event, self);
+ });
+ $(document).on('mouseup pointerup', function (event) {
+ return self.dropRow(event, self);
+ });
- // React to localStorage event showing or hiding weight columns.
$(window).on('storage', $.proxy(function (e) {
- // Only react to 'Drupal.tableDrag.showWeight' value change.
if (e.originalEvent.key === 'Drupal.tableDrag.showWeight') {
- // This was changed in another window, get the new value for this
- // window.
showWeight = JSON.parse(e.originalEvent.newValue);
this.displayColumns(showWeight);
}
}, this));
};
- /**
- * Initialize columns containing form elements to be hidden by default.
- *
- * Identify and mark each cell with a CSS class so we can easily toggle
- * show/hide it. Finally, hide columns if user does not have a
- * 'Drupal.tableDrag.showWeight' localStorage value.
- */
Drupal.tableDrag.prototype.initColumns = function () {
var $table = this.$table;
- var hidden;
- var cell;
- var columnIndex;
+ var hidden = void 0;
+ var cell = void 0;
+ var columnIndex = void 0;
for (var group in this.tableSettings) {
if (this.tableSettings.hasOwnProperty(group)) {
-
- // Find the first field in this group.
for (var d in this.tableSettings[group]) {
if (this.tableSettings[group].hasOwnProperty(d)) {
var field = $table.find('.' + this.tableSettings[group][d].target).eq(0);
}
}
- // Mark the column containing this field so it can be hidden.
if (hidden && cell[0]) {
- // Add 1 to our indexes. The nth-child selector is 1 based, not 0
- // based. Match immediate children of the parent element to allow
- // nesting.
columnIndex = cell.parent().find('> td').index(cell.get(0)) + 1;
$table.find('> thead > tr, > tbody > tr, > tr').each(this.addColspanClass(columnIndex));
}
this.displayColumns(showWeight);
};
- /**
- * Mark cells that have colspan.
- *
- * In order to adjust the colspan instead of hiding them altogether.
- *
- * @param {number} columnIndex
- * The column index to add colspan class to.
- *
- * @return {function}
- * Function to add colspan class.
- */
Drupal.tableDrag.prototype.addColspanClass = function (columnIndex) {
return function () {
- // Get the columnIndex and adjust for any colspans in this row.
var $row = $(this);
var index = columnIndex;
var cells = $row.children();
- var cell;
+ var cell = void 0;
cells.each(function (n) {
if (n < index && this.colSpan && this.colSpan > 1) {
index -= this.colSpan - 1;
if (index > 0) {
cell = cells.filter(':nth-child(' + index + ')');
if (cell[0].colSpan && cell[0].colSpan > 1) {
- // If this cell has a colspan, mark it so we can reduce the colspan.
cell.addClass('tabledrag-has-colspan');
- }
- else {
- // Mark this cell so we can hide it.
+ } else {
cell.addClass('tabledrag-hide');
}
}
};
};
- /**
- * Hide or display weight columns. Triggers an event on change.
- *
- * @fires event:columnschange
- *
- * @param {bool} displayWeight
- * 'true' will show weight columns.
- */
Drupal.tableDrag.prototype.displayColumns = function (displayWeight) {
if (displayWeight) {
this.showColumns();
- }
- // Default action is to hide columns.
- else {
- this.hideColumns();
- }
- // Trigger an event to allow other scripts to react to this display change.
- // Force the extra parameter as a bool.
+ } else {
+ this.hideColumns();
+ }
+
$('table').findOnce('tabledrag').trigger('columnschange', !!displayWeight);
};
- /**
- * Toggle the weight column depending on 'showWeight' value.
- *
- * Store only default override.
- */
Drupal.tableDrag.prototype.toggleColumns = function () {
showWeight = !showWeight;
this.displayColumns(showWeight);
if (showWeight) {
- // Save default override.
localStorage.setItem('Drupal.tableDrag.showWeight', showWeight);
- }
- else {
- // Reset the value to its default.
+ } else {
localStorage.removeItem('Drupal.tableDrag.showWeight');
}
};
- /**
- * Hide the columns containing weight/parent form elements.
- *
- * Undo showColumns().
- */
Drupal.tableDrag.prototype.hideColumns = function () {
var $tables = $('table').findOnce('tabledrag');
- // Hide weight/parent cells and headers.
+
$tables.find('.tabledrag-hide').css('display', 'none');
- // Show TableDrag handles.
+
$tables.find('.tabledrag-handle').css('display', '');
- // Reduce the colspan of any effected multi-span columns.
+
$tables.find('.tabledrag-has-colspan').each(function () {
this.colSpan = this.colSpan - 1;
});
- // Change link text.
+
$('.tabledrag-toggle-weight').text(Drupal.t('Show row weights'));
};
- /**
- * Show the columns containing weight/parent form elements.
- *
- * Undo hideColumns().
- */
Drupal.tableDrag.prototype.showColumns = function () {
var $tables = $('table').findOnce('tabledrag');
- // Show weight/parent cells and headers.
+
$tables.find('.tabledrag-hide').css('display', '');
- // Hide TableDrag handles.
+
$tables.find('.tabledrag-handle').css('display', 'none');
- // Increase the colspan for any columns where it was previously reduced.
+
$tables.find('.tabledrag-has-colspan').each(function () {
this.colSpan = this.colSpan + 1;
});
- // Change link text.
+
$('.tabledrag-toggle-weight').text(Drupal.t('Hide row weights'));
};
- /**
- * Find the target used within a particular row and group.
- *
- * @param {string} group
- * Group selector.
- * @param {HTMLElement} row
- * The row HTML element.
- *
- * @return {object}
- * The table row settings.
- */
Drupal.tableDrag.prototype.rowSettings = function (group, row) {
var field = $(row).find('.' + group);
var tableSettingsGroup = this.tableSettings[group];
if (tableSettingsGroup.hasOwnProperty(delta)) {
var targetClass = tableSettingsGroup[delta].target;
if (field.is('.' + targetClass)) {
- // Return a copy of the row settings.
var rowSettings = {};
for (var n in tableSettingsGroup[delta]) {
if (tableSettingsGroup[delta].hasOwnProperty(n)) {
}
};
- /**
- * Take an item and add event handlers to make it become draggable.
- *
- * @param {HTMLElement} item
- * The item to add event handlers to.
- */
Drupal.tableDrag.prototype.makeDraggable = function (item) {
var self = this;
var $item = $(item);
- // Add a class to the title link.
+
$item.find('td:first-of-type').find('a').addClass('menu-item__link');
- // Create the handle.
+
var handle = $('<a href="#" class="tabledrag-handle"><div class="handle"> </div></a>').attr('title', Drupal.t('Drag to re-order'));
- // Insert the handle after indentations (if any).
+
var $indentationLast = $item.find('td:first-of-type').find('.js-indentation').eq(-1);
if ($indentationLast.length) {
$indentationLast.after(handle);
- // Update the total width of indentation in this entire table.
+
self.indentCount = Math.max($item.find('.js-indentation').length, self.indentCount);
- }
- else {
+ } else {
$item.find('td').eq(0).prepend(handle);
}
self.dragStart(event, self, item);
});
- // Prevent the anchor tag from jumping us to the top of the page.
handle.on('click', function (e) {
e.preventDefault();
});
- // Set blur cleanup when a handle is focused.
handle.on('focus', function () {
self.safeBlur = true;
});
- // On blur, fire the same function as a touchend/mouseup. This is used to
- // update values after a row has been moved through the keyboard support.
handle.on('blur', function (event) {
if (self.rowObject && self.safeBlur) {
self.dropRow(event, self);
}
});
- // Add arrow-key support to the handle.
handle.on('keydown', function (event) {
- // If a rowObject doesn't yet exist and this isn't the tab key.
if (event.keyCode !== 9 && !self.rowObject) {
self.rowObject = new self.row(item, 'keyboard', self.indentEnabled, self.maxDepth, true);
}
var keyChange = false;
- var groupHeight;
-
- /* eslint-disable no-fallthrough */
+ var groupHeight = void 0;
switch (event.keyCode) {
- // Left arrow.
case 37:
- // Safari left arrow.
case 63234:
keyChange = true;
self.rowObject.indent(-1 * self.rtl);
break;
- // Up arrow.
case 38:
- // Safari up arrow.
case 63232:
var $previousRow = $(self.rowObject.element).prev('tr:first-of-type');
var previousRow = $previousRow.get(0);
previousRow = $previousRow.get(0);
}
if (previousRow) {
- // Do not allow the onBlur cleanup.
self.safeBlur = false;
self.rowObject.direction = 'up';
keyChange = true;
if ($(item).is('.tabledrag-root')) {
- // Swap with the previous top-level row.
groupHeight = 0;
while (previousRow && $previousRow.find('.js-indentation').length) {
$previousRow = $(previousRow).prev('tr:first-of-type');
}
if (previousRow) {
self.rowObject.swap('before', previousRow);
- // No need to check for indentation, 0 is the only valid one.
+
window.scrollBy(0, -groupHeight);
}
- }
- else if (self.table.tBodies[0].rows[0] !== previousRow || $previousRow.is('.draggable')) {
- // Swap with the previous row (unless previous row is the first
- // one and undraggable).
+ } else if (self.table.tBodies[0].rows[0] !== previousRow || $previousRow.is('.draggable')) {
self.rowObject.swap('before', previousRow);
self.rowObject.interval = null;
self.rowObject.indent(0);
window.scrollBy(0, -parseInt(item.offsetHeight, 10));
}
- // Regain focus after the DOM manipulation.
+
handle.trigger('focus');
}
break;
- // Right arrow.
case 39:
- // Safari right arrow.
case 63235:
keyChange = true;
self.rowObject.indent(self.rtl);
break;
- // Down arrow.
case 40:
- // Safari down arrow.
case 63233:
var $nextRow = $(self.rowObject.group).eq(-1).next('tr:first-of-type');
var nextRow = $nextRow.get(0);
nextRow = $nextRow.get(0);
}
if (nextRow) {
- // Do not allow the onBlur cleanup.
self.safeBlur = false;
self.rowObject.direction = 'down';
keyChange = true;
if ($(item).is('.tabledrag-root')) {
- // Swap with the next group (necessarily a top-level one).
groupHeight = 0;
var nextGroup = new self.row(nextRow, 'keyboard', self.indentEnabled, self.maxDepth, false);
if (nextGroup) {
});
var nextGroupRow = $(nextGroup.group).eq(-1).get(0);
self.rowObject.swap('after', nextGroupRow);
- // No need to check for indentation, 0 is the only valid one.
+
window.scrollBy(0, parseInt(groupHeight, 10));
}
- }
- else {
- // Swap with the next row.
+ } else {
self.rowObject.swap('after', nextRow);
self.rowObject.interval = null;
self.rowObject.indent(0);
window.scrollBy(0, parseInt(item.offsetHeight, 10));
}
- // Regain focus after the DOM manipulation.
+
handle.trigger('focus');
}
break;
}
- /* eslint-enable no-fallthrough */
-
if (self.rowObject && self.rowObject.changed === true) {
$(item).addClass('drag');
if (self.oldRowElement) {
self.onDrag();
}
- // Returning false if we have an arrow key to prevent scrolling.
if (keyChange) {
return false;
}
});
- // Compatibility addition, return false on keypress to prevent unwanted
- // scrolling. IE and Safari will suppress scrolling on keydown, but all
- // other browsers need to return false on keypress.
- // http://www.quirksmode.org/js/keys.html
handle.on('keypress', function (event) {
- /* eslint-disable no-fallthrough */
-
switch (event.keyCode) {
- // Left arrow.
case 37:
- // Up arrow.
case 38:
- // Right arrow.
case 39:
- // Down arrow.
case 40:
return false;
}
-
- /* eslint-enable no-fallthrough */
-
});
};
- /**
- * Pointer event initiator, creates drag object and information.
- *
- * @param {jQuery.Event} event
- * The event object that trigger the drag.
- * @param {Drupal.tableDrag} self
- * The drag handle.
- * @param {HTMLElement} item
- * The item that that is being dragged.
- */
Drupal.tableDrag.prototype.dragStart = function (event, self, item) {
- // Create a new dragObject recording the pointer information.
self.dragObject = {};
self.dragObject.initOffset = self.getPointerOffset(item, event);
self.dragObject.initPointerCoords = self.pointerCoords(event);
self.dragObject.indentPointerPos = self.dragObject.initPointerCoords;
}
- // If there's a lingering row object from the keyboard, remove its focus.
if (self.rowObject) {
$(self.rowObject.element).find('a.tabledrag-handle').trigger('blur');
}
- // Create a new rowObject for manipulation of this row.
self.rowObject = new self.row(item, 'pointer', self.indentEnabled, self.maxDepth, true);
- // Save the position of the table.
self.table.topY = $(self.table).offset().top;
self.table.bottomY = self.table.topY + self.table.offsetHeight;
- // Add classes to the handle and row.
$(item).addClass('drag');
- // Set the document to use the move cursor during drag.
$('body').addClass('drag');
if (self.oldRowElement) {
$(self.oldRowElement).removeClass('drag-previous');
}
};
- /**
- * Pointer movement handler, bound to document.
- *
- * @param {jQuery.Event} event
- * The pointer event.
- * @param {Drupal.tableDrag} self
- * The tableDrag instance.
- *
- * @return {bool|undefined}
- * Undefined if no dragObject is defined, false otherwise.
- */
Drupal.tableDrag.prototype.dragRow = function (event, self) {
if (self.dragObject) {
self.currentPointerCoords = self.pointerCoords(event);
var y = self.currentPointerCoords.y - self.dragObject.initOffset.y;
var x = self.currentPointerCoords.x - self.dragObject.initOffset.x;
- // Check for row swapping and vertical scrolling.
if (y !== self.oldY) {
self.rowObject.direction = y > self.oldY ? 'down' : 'up';
- // Update the old value.
+
self.oldY = y;
- // Check if the window should be scrolled (and how fast).
+
var scrollAmount = self.checkScroll(self.currentPointerCoords.y);
- // Stop any current scrolling.
+
clearInterval(self.scrollInterval);
- // Continue scrolling if the mouse has moved in the scroll direction.
+
if (scrollAmount > 0 && self.rowObject.direction === 'down' || scrollAmount < 0 && self.rowObject.direction === 'up') {
self.setScroll(scrollAmount);
}
- // If we have a valid target, perform the swap and restripe the table.
var currentRow = self.findDropTargetRow(x, y);
if (currentRow) {
if (self.rowObject.direction === 'down') {
self.rowObject.swap('after', currentRow, self);
- }
- else {
+ } else {
self.rowObject.swap('before', currentRow, self);
}
if (self.striping === true) {
}
}
- // Similar to row swapping, handle indentations.
if (self.indentEnabled) {
var xDiff = self.currentPointerCoords.x - self.dragObject.indentPointerPos.x;
- // Set the number of indentations the pointer has been moved left or
- // right.
+
var indentDiff = Math.round(xDiff / self.indentAmount);
- // Indent the row with our estimated diff, which may be further
- // restricted according to the rows around this row.
+
var indentChange = self.rowObject.indent(indentDiff);
- // Update table and pointer indentations.
+
self.dragObject.indentPointerPos.x += self.indentAmount * indentChange * self.rtl;
self.indentCount = Math.max(self.indentCount, self.rowObject.indents);
}
}
};
- /**
- * Pointerup behavior.
- *
- * @param {jQuery.Event} event
- * The pointer event.
- * @param {Drupal.tableDrag} self
- * The tableDrag instance.
- */
Drupal.tableDrag.prototype.dropRow = function (event, self) {
- var droppedRow;
- var $droppedRow;
+ var droppedRow = void 0;
+ var $droppedRow = void 0;
- // Drop row functionality.
if (self.rowObject !== null) {
droppedRow = self.rowObject.element;
$droppedRow = $(droppedRow);
- // The row is already in the right place so we just release it.
+
if (self.rowObject.changed === true) {
- // Update the fields in the dropped row.
self.updateFields(droppedRow);
- // If a setting exists for affecting the entire group, update all the
- // fields in the entire dragged group.
for (var group in self.tableSettings) {
if (self.tableSettings.hasOwnProperty(group)) {
var rowSettings = self.rowSettings(group, droppedRow);
self.rowObject = null;
}
- // Functionality specific only to pointerup events.
if (self.dragObject !== null) {
self.dragObject = null;
$('body').removeClass('drag');
}
};
- /**
- * Get the coordinates from the event (allowing for browser differences).
- *
- * @param {jQuery.Event} event
- * The pointer event.
- *
- * @return {object}
- * An object with `x` and `y` keys indicating the position.
- */
Drupal.tableDrag.prototype.pointerCoords = function (event) {
if (event.pageX || event.pageY) {
- return {x: event.pageX, y: event.pageY};
+ return { x: event.pageX, y: event.pageY };
}
return {
x: event.clientX + document.body.scrollLeft - document.body.clientLeft,
};
};
- /**
- * Get the event offset from the target element.
- *
- * Given a target element and a pointer event, get the event offset from that
- * element. To do this we need the element's position and the target position.
- *
- * @param {HTMLElement} target
- * The target HTML element.
- * @param {jQuery.Event} event
- * The pointer event.
- *
- * @return {object}
- * An object with `x` and `y` keys indicating the position.
- */
Drupal.tableDrag.prototype.getPointerOffset = function (target, event) {
var docPos = $(target).offset();
var pointerPos = this.pointerCoords(event);
- return {x: pointerPos.x - docPos.left, y: pointerPos.y - docPos.top};
+ return { x: pointerPos.x - docPos.left, y: pointerPos.y - docPos.top };
};
- /**
- * Find the row the mouse is currently over.
- *
- * This row is then taken and swapped with the one being dragged.
- *
- * @param {number} x
- * The x coordinate of the mouse on the page (not the screen).
- * @param {number} y
- * The y coordinate of the mouse on the page (not the screen).
- *
- * @return {*}
- * The drop target row, if found.
- */
Drupal.tableDrag.prototype.findDropTargetRow = function (x, y) {
var rows = $(this.table.tBodies[0].rows).not(':hidden');
for (var n = 0; n < rows.length; n++) {
var $row = $(row);
var rowY = $row.offset().top;
var rowHeight;
- // Because Safari does not report offsetHeight on table rows, but does on
- // table cells, grab the firstChild of the row and use that instead.
- // http://jacob.peargrove.com/blog/2006/technical/table-row-offsettop-bug-in-safari.
+
if (row.offsetHeight === 0) {
rowHeight = parseInt(row.firstChild.offsetHeight, 10) / 2;
- }
- // Other browsers.
- else {
- rowHeight = parseInt(row.offsetHeight, 10) / 2;
- }
+ } else {
+ rowHeight = parseInt(row.offsetHeight, 10) / 2;
+ }
- // Because we always insert before, we need to offset the height a bit.
- if ((y > (rowY - rowHeight)) && (y < (rowY + rowHeight))) {
+ if (y > rowY - rowHeight && y < rowY + rowHeight) {
if (this.indentEnabled) {
- // Check that this row is not a child of the row being dragged.
for (n in this.rowObject.group) {
if (this.rowObject.group[n] === row) {
return null;
}
}
- }
- else {
- // Do not allow a row to be swapped with itself.
+ } else {
if (row === this.rowObject.element) {
return null;
}
}
- // Check that swapping with this row is allowed.
if (!this.rowObject.isValidSwap(row)) {
return null;
}
- // We may have found the row the mouse just passed over, but it doesn't
- // take into account hidden rows. Skip backwards until we find a
- // draggable row.
while ($row.is(':hidden') && $row.prev('tr').is(':hidden')) {
$row = $row.prev('tr:first-of-type');
row = $row.get(0);
return null;
};
- /**
- * After the row is dropped, update the table fields.
- *
- * @param {HTMLElement} changedRow
- * DOM object for the row that was just dropped.
- */
Drupal.tableDrag.prototype.updateFields = function (changedRow) {
for (var group in this.tableSettings) {
if (this.tableSettings.hasOwnProperty(group)) {
- // Each group may have a different setting for relationship, so we find
- // the source rows for each separately.
this.updateField(changedRow, group);
}
}
};
- /**
- * After the row is dropped, update a single table field.
- *
- * @param {HTMLElement} changedRow
- * DOM object for the row that was just dropped.
- * @param {string} group
- * The settings group on which field updates will occur.
- */
Drupal.tableDrag.prototype.updateField = function (changedRow, group) {
var rowSettings = this.rowSettings(group, changedRow);
var $changedRow = $(changedRow);
- var sourceRow;
- var $previousRow;
- var previousRow;
- var useSibling;
- // Set the row as its own target.
+ var sourceRow = void 0;
+ var $previousRow = void 0;
+ var previousRow = void 0;
+ var useSibling = void 0;
+
if (rowSettings.relationship === 'self' || rowSettings.relationship === 'group') {
sourceRow = changedRow;
- }
- // Siblings are easy, check previous and next rows.
- else if (rowSettings.relationship === 'sibling') {
- $previousRow = $changedRow.prev('tr:first-of-type');
- previousRow = $previousRow.get(0);
- var $nextRow = $changedRow.next('tr:first-of-type');
- var nextRow = $nextRow.get(0);
- sourceRow = changedRow;
- if ($previousRow.is('.draggable') && $previousRow.find('.' + group).length) {
- if (this.indentEnabled) {
- if ($previousRow.find('.js-indentations').length === $changedRow.find('.js-indentations').length) {
+ } else if (rowSettings.relationship === 'sibling') {
+ $previousRow = $changedRow.prev('tr:first-of-type');
+ previousRow = $previousRow.get(0);
+ var $nextRow = $changedRow.next('tr:first-of-type');
+ var nextRow = $nextRow.get(0);
+ sourceRow = changedRow;
+ if ($previousRow.is('.draggable') && $previousRow.find('.' + group).length) {
+ if (this.indentEnabled) {
+ if ($previousRow.find('.js-indentations').length === $changedRow.find('.js-indentations').length) {
+ sourceRow = previousRow;
+ }
+ } else {
sourceRow = previousRow;
}
- }
- else {
- sourceRow = previousRow;
- }
- }
- else if ($nextRow.is('.draggable') && $nextRow.find('.' + group).length) {
- if (this.indentEnabled) {
- if ($nextRow.find('.js-indentations').length === $changedRow.find('.js-indentations').length) {
+ } else if ($nextRow.is('.draggable') && $nextRow.find('.' + group).length) {
+ if (this.indentEnabled) {
+ if ($nextRow.find('.js-indentations').length === $changedRow.find('.js-indentations').length) {
+ sourceRow = nextRow;
+ }
+ } else {
sourceRow = nextRow;
}
}
- else {
- sourceRow = nextRow;
- }
- }
- }
- // Parents, look up the tree until we find a field not in this group.
- // Go up as many parents as indentations in the changed row.
- else if (rowSettings.relationship === 'parent') {
- $previousRow = $changedRow.prev('tr');
- previousRow = $previousRow;
- while ($previousRow.length && $previousRow.find('.js-indentation').length >= this.rowObject.indents) {
- $previousRow = $previousRow.prev('tr');
- previousRow = $previousRow;
- }
- // If we found a row.
- if ($previousRow.length) {
- sourceRow = $previousRow.get(0);
- }
- // Otherwise we went all the way to the left of the table without finding
- // a parent, meaning this item has been placed at the root level.
- else {
- // Use the first row in the table as source, because it's guaranteed to
- // be at the root level. Find the first item, then compare this row
- // against it as a sibling.
- sourceRow = $(this.table).find('tr.draggable:first-of-type').get(0);
- if (sourceRow === this.rowObject.element) {
- sourceRow = $(this.rowObject.group[this.rowObject.group.length - 1]).next('tr.draggable').get(0);
+ } else if (rowSettings.relationship === 'parent') {
+ $previousRow = $changedRow.prev('tr');
+ previousRow = $previousRow;
+ while ($previousRow.length && $previousRow.find('.js-indentation').length >= this.rowObject.indents) {
+ $previousRow = $previousRow.prev('tr');
+ previousRow = $previousRow;
+ }
+
+ if ($previousRow.length) {
+ sourceRow = $previousRow.get(0);
+ } else {
+ sourceRow = $(this.table).find('tr.draggable:first-of-type').get(0);
+ if (sourceRow === this.rowObject.element) {
+ sourceRow = $(this.rowObject.group[this.rowObject.group.length - 1]).next('tr.draggable').get(0);
+ }
+ useSibling = true;
+ }
}
- useSibling = true;
- }
- }
- // Because we may have moved the row from one category to another,
- // take a look at our sibling and borrow its sources and targets.
this.copyDragClasses(sourceRow, changedRow, group);
rowSettings = this.rowSettings(group, changedRow);
- // In the case that we're looking for a parent, but the row is at the top
- // of the tree, copy our sibling's values.
if (useSibling) {
rowSettings.relationship = 'sibling';
rowSettings.source = rowSettings.target;
var targetClass = '.' + rowSettings.target;
var targetElement = $changedRow.find(targetClass).get(0);
- // Check if a target element exists in this row.
if (targetElement) {
var sourceClass = '.' + rowSettings.source;
var sourceElement = $(sourceClass, sourceRow).get(0);
switch (rowSettings.action) {
case 'depth':
- // Get the depth of the target row.
targetElement.value = $(sourceElement).closest('tr').find('.js-indentation').length;
break;
case 'match':
- // Update the value.
targetElement.value = sourceElement.value;
break;
case 'order':
var siblings = this.rowObject.findSiblings(rowSettings);
if ($(targetElement).is('select')) {
- // Get a list of acceptable values.
var values = [];
$(targetElement).find('option').each(function () {
values.push(this.value);
});
var maxVal = values[values.length - 1];
- // Populate the values in the siblings.
+
$(siblings).find(targetClass).each(function () {
- // If there are more items than possible values, assign the
- // maximum value to the row.
if (values.length > 0) {
this.value = values.shift();
- }
- else {
+ } else {
this.value = maxVal;
}
});
- }
- else {
- // Assume a numeric input field.
+ } else {
var weight = parseInt($(siblings[0]).find(targetClass).val(), 10) || 0;
$(siblings).find(targetClass).each(function () {
this.value = weight;
}
};
- /**
- * Copy all tableDrag related classes from one row to another.
- *
- * Copy all special tableDrag classes from one row's form elements to a
- * different one, removing any special classes that the destination row
- * may have had.
- *
- * @param {HTMLElement} sourceRow
- * The element for the source row.
- * @param {HTMLElement} targetRow
- * The element for the target row.
- * @param {string} group
- * The group selector.
- */
Drupal.tableDrag.prototype.copyDragClasses = function (sourceRow, targetRow, group) {
var sourceElement = $(sourceRow).find('.' + group);
var targetElement = $(targetRow).find('.' + group);
}
};
- /**
- * Check the suggested scroll of the table.
- *
- * @param {number} cursorY
- * The Y position of the cursor.
- *
- * @return {number}
- * The suggested scroll.
- */
Drupal.tableDrag.prototype.checkScroll = function (cursorY) {
var de = document.documentElement;
var b = document.body;
var windowHeight = this.windowHeight = window.innerHeight || (de.clientHeight && de.clientWidth !== 0 ? de.clientHeight : b.offsetHeight);
- var scrollY;
+ var scrollY = void 0;
if (document.all) {
scrollY = this.scrollY = !de.scrollTop ? b.scrollTop : de.scrollTop;
- }
- else {
+ } else {
scrollY = this.scrollY = window.pageYOffset ? window.pageYOffset : window.scrollY;
}
var trigger = this.scrollSettings.trigger;
var delta = 0;
- // Return a scroll speed relative to the edge of the screen.
if (cursorY - scrollY > windowHeight - trigger) {
delta = trigger / (windowHeight + scrollY - cursorY);
- delta = (delta > 0 && delta < trigger) ? delta : trigger;
+ delta = delta > 0 && delta < trigger ? delta : trigger;
return delta * this.scrollSettings.amount;
- }
- else if (cursorY - scrollY < trigger) {
+ } else if (cursorY - scrollY < trigger) {
delta = trigger / (cursorY - scrollY);
- delta = (delta > 0 && delta < trigger) ? delta : trigger;
+ delta = delta > 0 && delta < trigger ? delta : trigger;
return -delta * this.scrollSettings.amount;
}
};
- /**
- * Set the scroll for the table.
- *
- * @param {number} scrollAmount
- * The amount of scroll to apply to the window.
- */
Drupal.tableDrag.prototype.setScroll = function (scrollAmount) {
var self = this;
this.scrollInterval = setInterval(function () {
- // Update the scroll values stored in the object.
self.checkScroll(self.currentPointerCoords.y);
var aboveTable = self.scrollY > self.table.topY;
var belowTable = self.scrollY + self.windowHeight < self.table.bottomY;
}, this.scrollSettings.interval);
};
- /**
- * Command to restripe table properly.
- */
Drupal.tableDrag.prototype.restripeTable = function () {
- // :even and :odd are reversed because jQuery counts from 0 and
- // we count from 1, so we're out of sync.
- // Match immediate children of the parent element to allow nesting.
- $(this.table).find('> tbody > tr.draggable, > tr.draggable')
- .filter(':visible')
- .filter(':odd').removeClass('odd').addClass('even').end()
- .filter(':even').removeClass('even').addClass('odd');
+ $(this.table).find('> tbody > tr.draggable, > tr.draggable').filter(':visible').filter(':odd').removeClass('odd').addClass('even').end().filter(':even').removeClass('even').addClass('odd');
};
- /**
- * Stub function. Allows a custom handler when a row begins dragging.
- *
- * @return {null}
- * Returns null when the stub function is used.
- */
Drupal.tableDrag.prototype.onDrag = function () {
return null;
};
- /**
- * Stub function. Allows a custom handler when a row is dropped.
- *
- * @return {null}
- * Returns null when the stub function is used.
- */
Drupal.tableDrag.prototype.onDrop = function () {
return null;
};
- /**
- * Constructor to make a new object to manipulate a table row.
- *
- * @param {HTMLElement} tableRow
- * The DOM element for the table row we will be manipulating.
- * @param {string} method
- * The method in which this row is being moved. Either 'keyboard' or
- * 'mouse'.
- * @param {bool} indentEnabled
- * Whether the containing table uses indentations. Used for optimizations.
- * @param {number} maxDepth
- * The maximum amount of indentations this row may contain.
- * @param {bool} addClasses
- * Whether we want to add classes to this row to indicate child
- * relationships.
- */
Drupal.tableDrag.prototype.row = function (tableRow, method, indentEnabled, maxDepth, addClasses) {
var $tableRow = $(tableRow);
this.table = $tableRow.closest('table')[0];
this.indentEnabled = indentEnabled;
this.maxDepth = maxDepth;
- // Direction the row is being moved.
+
this.direction = '';
if (this.indentEnabled) {
this.indents = $tableRow.find('.js-indentation').length;
this.children = this.findChildren(addClasses);
this.group = $.merge(this.group, this.children);
- // Find the depth of this entire group.
+
for (var n = 0; n < this.group.length; n++) {
this.groupDepth = Math.max($(this.group[n]).find('.js-indentation').length, this.groupDepth);
}
}
};
- /**
- * Find all children of rowObject by indentation.
- *
- * @param {bool} addClasses
- * Whether we want to add classes to this row to indicate child
- * relationships.
- *
- * @return {Array}
- * An array of children of the row.
- */
Drupal.tableDrag.prototype.row.prototype.findChildren = function (addClasses) {
var parentIndentation = this.indents;
var currentRow = $(this.element, this.table).next('tr.draggable');
function rowIndentation(indentNum, el) {
var self = $(el);
- if (child === 1 && (indentNum === parentIndentation)) {
+ if (child === 1 && indentNum === parentIndentation) {
self.addClass('tree-child-first');
}
if (indentNum === parentIndentation) {
self.addClass('tree-child');
- }
- else if (indentNum > parentIndentation) {
+ } else if (indentNum > parentIndentation) {
self.addClass('tree-child-horizontal');
}
}
while (currentRow.length) {
- // A greater indentation indicates this is a child.
if (currentRow.find('.js-indentation').length > parentIndentation) {
child++;
rows.push(currentRow[0]);
if (addClasses) {
currentRow.find('.js-indentation').each(rowIndentation);
}
- }
- else {
+ } else {
break;
}
currentRow = currentRow.next('tr.draggable');
return rows;
};
- /**
- * Ensure that two rows are allowed to be swapped.
- *
- * @param {HTMLElement} row
- * DOM object for the row being considered for swapping.
- *
- * @return {bool}
- * Whether the swap is a valid swap or not.
- */
Drupal.tableDrag.prototype.row.prototype.isValidSwap = function (row) {
var $row = $(row);
if (this.indentEnabled) {
- var prevRow;
- var nextRow;
+ var prevRow = void 0;
+ var nextRow = void 0;
if (this.direction === 'down') {
prevRow = row;
nextRow = $row.next('tr').get(0);
- }
- else {
+ } else {
prevRow = $row.prev('tr').get(0);
nextRow = row;
}
this.interval = this.validIndentInterval(prevRow, nextRow);
- // We have an invalid swap if the valid indentations interval is empty.
if (this.interval.min > this.interval.max) {
return false;
}
}
- // Do not let an un-draggable first row have anything put before it.
if (this.table.tBodies[0].rows[0] === row && $row.is(':not(.draggable)')) {
return false;
}
return true;
};
- /**
- * Perform the swap between two rows.
- *
- * @param {string} position
- * Whether the swap will occur 'before' or 'after' the given row.
- * @param {HTMLElement} row
- * DOM element what will be swapped with the row group.
- */
Drupal.tableDrag.prototype.row.prototype.swap = function (position, row) {
- // Makes sure only DOM object are passed to Drupal.detachBehaviors().
this.group.forEach(function (row) {
Drupal.detachBehaviors(row, drupalSettings, 'move');
});
$(row)[position](this.group);
- // Makes sure only DOM object are passed to Drupal.attachBehaviors()s.
+
this.group.forEach(function (row) {
Drupal.attachBehaviors(row, drupalSettings);
});
this.onSwap(row);
};
- /**
- * Determine the valid indentations interval for the row at a given position.
- *
- * @param {?HTMLElement} prevRow
- * DOM object for the row before the tested position
- * (or null for first position in the table).
- * @param {?HTMLElement} nextRow
- * DOM object for the row after the tested position
- * (or null for last position in the table).
- *
- * @return {object}
- * An object with the keys `min` and `max` to indicate the valid indent
- * interval.
- */
Drupal.tableDrag.prototype.row.prototype.validIndentInterval = function (prevRow, nextRow) {
var $prevRow = $(prevRow);
- var minIndent;
- var maxIndent;
+ var minIndent = void 0;
+ var maxIndent = void 0;
- // Minimum indentation:
- // Do not orphan the next row.
minIndent = nextRow ? $(nextRow).find('.js-indentation').length : 0;
- // Maximum indentation:
if (!prevRow || $prevRow.is(':not(.draggable)') || $(this.element).is('.tabledrag-root')) {
- // Do not indent:
- // - the first row in the table,
- // - rows dragged below a non-draggable row,
- // - 'root' rows.
maxIndent = 0;
- }
- else {
- // Do not go deeper than as a child of the previous row.
+ } else {
maxIndent = $prevRow.find('.js-indentation').length + ($prevRow.is('.tabledrag-leaf') ? 0 : 1);
- // Limit by the maximum allowed depth for the table.
+
if (this.maxDepth) {
maxIndent = Math.min(maxIndent, this.maxDepth - (this.groupDepth - this.indents));
}
}
- return {min: minIndent, max: maxIndent};
+ return { min: minIndent, max: maxIndent };
};
- /**
- * Indent a row within the legal bounds of the table.
- *
- * @param {number} indentDiff
- * The number of additional indentations proposed for the row (can be
- * positive or negative). This number will be adjusted to nearest valid
- * indentation level for the row.
- *
- * @return {number}
- * The number of indentations applied.
- */
Drupal.tableDrag.prototype.row.prototype.indent = function (indentDiff) {
var $group = $(this.group);
- // Determine the valid indentations interval if not available yet.
+
if (!this.interval) {
var prevRow = $(this.element).prev('tr').get(0);
var nextRow = $group.eq(-1).next('tr').get(0);
this.interval = this.validIndentInterval(prevRow, nextRow);
}
- // Adjust to the nearest valid indentation.
var indent = this.indents + indentDiff;
indent = Math.max(indent, this.interval.min);
indent = Math.min(indent, this.interval.max);
indentDiff = indent - this.indents;
for (var n = 1; n <= Math.abs(indentDiff); n++) {
- // Add or remove indentations.
if (indentDiff < 0) {
$group.find('.js-indentation:first-of-type').remove();
this.indents--;
- }
- else {
+ } else {
$group.find('td:first-of-type').prepend(Drupal.theme('tableDragIndentation'));
this.indents++;
}
}
if (indentDiff) {
- // Update indentation for this row.
this.changed = true;
this.groupDepth += indentDiff;
this.onIndent();
return indentDiff;
};
- /**
- * Find all siblings for a row.
- *
- * According to its subgroup or indentation. Note that the passed-in row is
- * included in the list of siblings.
- *
- * @param {object} rowSettings
- * The field settings we're using to identify what constitutes a sibling.
- *
- * @return {Array}
- * An array of siblings.
- */
Drupal.tableDrag.prototype.row.prototype.findSiblings = function (rowSettings) {
var siblings = [];
var directions = ['prev', 'next'];
var rowIndentation = this.indents;
- var checkRowIndentation;
+ var checkRowIndentation = void 0;
for (var d = 0; d < directions.length; d++) {
var checkRow = $(this.element)[directions[d]]();
while (checkRow.length) {
- // Check that the sibling contains a similar target field.
if (checkRow.find('.' + rowSettings.target)) {
- // Either add immediately if this is a flat table, or check to ensure
- // that this row has the same level of indentation.
if (this.indentEnabled) {
checkRowIndentation = checkRow.find('.js-indentation').length;
}
- if (!(this.indentEnabled) || (checkRowIndentation === rowIndentation)) {
+ if (!this.indentEnabled || checkRowIndentation === rowIndentation) {
siblings.push(checkRow[0]);
- }
- else if (checkRowIndentation < rowIndentation) {
- // No need to keep looking for siblings when we get to a parent.
+ } else if (checkRowIndentation < rowIndentation) {
break;
}
- }
- else {
+ } else {
break;
}
checkRow = checkRow[directions[d]]();
}
- // Since siblings are added in reverse order for previous, reverse the
- // completed list of previous siblings. Add the current row and continue.
+
if (directions[d] === 'prev') {
siblings.reverse();
siblings.push(this.element);
return siblings;
};
- /**
- * Remove indentation helper classes from the current row group.
- */
Drupal.tableDrag.prototype.row.prototype.removeIndentClasses = function () {
for (var n in this.children) {
if (this.children.hasOwnProperty(n)) {
- $(this.children[n]).find('.js-indentation')
- .removeClass('tree-child')
- .removeClass('tree-child-first')
- .removeClass('tree-child-last')
- .removeClass('tree-child-horizontal');
+ $(this.children[n]).find('.js-indentation').removeClass('tree-child').removeClass('tree-child-first').removeClass('tree-child-last').removeClass('tree-child-horizontal');
}
}
};
- /**
- * Add an asterisk or other marker to the changed row.
- */
Drupal.tableDrag.prototype.row.prototype.markChanged = function () {
var marker = Drupal.theme('tableDragChangedMarker');
var cell = $(this.element).find('td:first-of-type');
}
};
- /**
- * Stub function. Allows a custom handler when a row is indented.
- *
- * @return {null}
- * Returns null when the stub function is used.
- */
Drupal.tableDrag.prototype.row.prototype.onIndent = function () {
return null;
};
- /**
- * Stub function. Allows a custom handler when a row is swapped.
- *
- * @param {HTMLElement} swappedRow
- * The element for the swapped row.
- *
- * @return {null}
- * Returns null when the stub function is used.
- */
Drupal.tableDrag.prototype.row.prototype.onSwap = function (swappedRow) {
return null;
};
- $.extend(Drupal.theme, /** @lends Drupal.theme */{
-
- /**
- * @return {string}
- * Markup for the marker.
- */
- tableDragChangedMarker: function () {
+ $.extend(Drupal.theme, {
+ tableDragChangedMarker: function tableDragChangedMarker() {
return '<abbr class="warning tabledrag-changed" title="' + Drupal.t('Changed') + '">*</abbr>';
},
-
- /**
- * @return {string}
- * Markup for the indentation.
- */
- tableDragIndentation: function () {
+ tableDragIndentation: function tableDragIndentation() {
return '<div class="js-indentation indentation"> </div>';
},
-
- /**
- * @return {string}
- * Markup for the warning.
- */
- tableDragChangedWarning: function () {
+ tableDragChangedWarning: function tableDragChangedWarning() {
return '<div class="tabledrag-changed-warning messages messages--warning" role="alert">' + Drupal.theme('tableDragChangedMarker') + ' ' + Drupal.t('You have unsaved changes.') + '</div>';
}
});
-
-})(jQuery, Drupal, drupalSettings);
+})(jQuery, Drupal, drupalSettings);
\ No newline at end of file