X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=web%2Fcore%2Fmisc%2Ftabledrag.js;fp=web%2Fcore%2Fmisc%2Ftabledrag.js;h=3155c77e3929cba5133382135a86af90cd9c0098;hp=75468e60ddb49fa3f7c079704562a3e4eccac0ae;hb=9917807b03b64faf00f6a1f29dcb6eafc454efa5;hpb=aea91e65e895364e460983b890e295aa5d5540a5 diff --git a/web/core/misc/tabledrag.js b/web/core/misc/tabledrag.js index 75468e60d..3155c77e3 100644 --- a/web/core/misc/tabledrag.js +++ b/web/core/misc/tabledrag.js @@ -1,45 +1,17 @@ /** - * @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]); } } @@ -52,128 +24,40 @@ } }; - /** - * 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)) { @@ -190,86 +74,56 @@ } } 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 = $('').addClass('draggable').appendTo(table); var testCell = $('').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. - $table.before($('') - .attr('title', Drupal.t('Re-order rows by numerical weight instead of dragging.')) - .on('click', $.proxy(function (e) { - e.preventDefault(); - this.toggleColumns(); - }, this)) - .wrap('
') - .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); + }); + + $table.before($('').attr('title', Drupal.t('Re-order rows by numerical weight instead of dragging.')).on('click', $.proxy(function (e) { + e.preventDefault(); + this.toggleColumns(); + }, this)).wrap('
').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); @@ -281,11 +135,7 @@ } } - // 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)); } @@ -294,24 +144,12 @@ 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; @@ -320,105 +158,62 @@ 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]; @@ -426,7 +221,6 @@ 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)) { @@ -439,27 +233,20 @@ } }; - /** - * 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 = $('
 
').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); } @@ -471,48 +258,36 @@ 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); @@ -521,13 +296,11 @@ 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'); @@ -536,34 +309,27 @@ } 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); @@ -572,13 +338,11 @@ 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) { @@ -587,25 +351,21 @@ }); 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) { @@ -618,49 +378,24 @@ 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); @@ -668,66 +403,47 @@ 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) { @@ -736,16 +452,13 @@ } } - // 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); } @@ -754,29 +467,17 @@ } }; - /** - * 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); @@ -809,7 +510,6 @@ self.rowObject = null; } - // Functionality specific only to pointerup events. if (self.dragObject !== null) { self.dragObject = null; $('body').removeClass('drag'); @@ -817,18 +517,9 @@ } }; - /** - * 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, @@ -836,39 +527,12 @@ }; }; - /** - * 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++) { @@ -876,42 +540,30 @@ 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); @@ -922,103 +574,69 @@ 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; @@ -1027,44 +645,35 @@ 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; @@ -1076,20 +685,6 @@ } }; - /** - * 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); @@ -1098,54 +693,35 @@ } }; - /** - * 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; @@ -1155,55 +731,18 @@ }, 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); @@ -1215,29 +754,19 @@ 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'); @@ -1246,27 +775,24 @@ 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'); @@ -1277,37 +803,25 @@ 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; } @@ -1315,21 +829,12 @@ 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); }); @@ -1337,88 +842,50 @@ 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(); @@ -1427,49 +894,30 @@ 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); @@ -1478,24 +926,14 @@ 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'); @@ -1504,54 +942,23 @@ } }; - /** - * 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 '*'; }, - - /** - * @return {string} - * Markup for the indentation. - */ - tableDragIndentation: function () { + tableDragIndentation: function tableDragIndentation() { return '
 
'; }, - - /** - * @return {string} - * Markup for the warning. - */ - tableDragChangedWarning: function () { + tableDragChangedWarning: function tableDragChangedWarning() { return ''; } }); - -})(jQuery, Drupal, drupalSettings); +})(jQuery, Drupal, drupalSettings); \ No newline at end of file