diff options
Diffstat (limited to 'ecomp-portal-FE-os/client/src/views/functionalMenu/jqTreeContextMenu.js')
| -rw-r--r-- | ecomp-portal-FE-os/client/src/views/functionalMenu/jqTreeContextMenu.js | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/ecomp-portal-FE-os/client/src/views/functionalMenu/jqTreeContextMenu.js b/ecomp-portal-FE-os/client/src/views/functionalMenu/jqTreeContextMenu.js new file mode 100644 index 00000000..6e2be32d --- /dev/null +++ b/ecomp-portal-FE-os/client/src/views/functionalMenu/jqTreeContextMenu.js @@ -0,0 +1,214 @@ +/*-
+ * ================================================================================
+ * ECOMP Portal
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ================================================================================
+ */
+(function ($) {
+ if (!$.fn.tree) {
+ throw "Error jqTree is not loaded.";
+ }
+
+ $.fn.jqTreeContextMenu = function (menuElement, callbacks) {
+ //
+ // TODO:
+ // * Make sure the useContextMenu option is set in jqTree, either complain or set it automatically
+ // * Make menu fade in/out
+ //
+ var self = this;
+ var $el = this;
+
+ // The jQuery object of the menu div.
+ var $menuEl = menuElement;
+
+ // This hash holds all menu items that should be disabled for a specific node.
+ var nodeToDisabledMenuItems = {};
+
+ // Hide the menu div.
+ $menuEl.hide();
+
+ // Disable system context menu from beeing displayed.
+ $el.bind("contextmenu", function (e) {
+ e.preventDefault();
+ return false;
+ });
+
+ // Handle the contextmenu event sent from jqTree when user clicks right mouse button.
+ $el.bind('tree.contextmenu', function (event) {
+ var x = event.click_event.pageX;
+ var y = event.click_event.pageY;
+ var yPadding = 5;
+ var xPadding = 5;
+ var menuHeight = $menuEl.height();
+ var menuWidth = $menuEl.width();
+ var windowHeight = $(window).height();
+ var windowWidth = $(window).width();
+
+ if (menuHeight + y + yPadding > windowHeight) {
+ // Make sure the whole menu is rendered within the viewport.
+ y = y - menuHeight;
+ }
+ if (menuWidth + x + xPadding > windowWidth) {
+ // Make sure the whole menu is rendered within the viewport.
+ x = x - menuWidth;
+ }
+
+ // Handle disabling and enabling of menu items on specific nodes.
+ if (Object.keys(nodeToDisabledMenuItems).length > 0) {
+ if (event.node.name in nodeToDisabledMenuItems) {
+ var nodeName = event.node.name;
+ var items = nodeToDisabledMenuItems[nodeName];
+ if (items.length === 0) {
+ $menuEl.find('li').addClass('disabled');
+ $menuEl.find('li > a').unbind('click');
+ } else {
+ $menuEl.find('li > a').each(function () {
+ $(this).closest('li').removeClass('disabled');
+ var hrefValue = $(this).attr('href');
+ var value = hrefValue.slice(hrefValue.indexOf("#") + 1, hrefValue.length)
+ if ($.inArray(value, items) > -1) {
+ $(this).closest('li').addClass('disabled');
+ $(this).unbind('click');
+ }
+ });
+ }
+ } else {
+ $menuEl.find('li.disabled').removeClass('disabled');
+ }
+ }
+
+ // Must call show before we set the offset (offset can not be set on display: none elements).
+ $menuEl.show();
+
+ $menuEl.offset({ left: x, top: y });
+
+ var dismissContextMenu = function () {
+ $(document).unbind('click.jqtreecontextmenu');
+ $el.unbind('tree.click.jqtreecontextmenu');
+ $menuEl.hide();
+ }
+ // Make it possible to dismiss context menu by clicking somewhere in the document.
+ $(document).bind('click.jqtreecontextmenu', function () {
+ dismissContextMenu();
+ });
+
+ // Dismiss context menu if another node in the tree is clicked.
+ $el.bind('tree.click.jqtreecontextmenu', function (e) {
+ dismissContextMenu();
+ });
+
+ // Make selection follow the node that was right clicked on.
+ var selectedNode = $el.tree('getSelectedNode');
+ if (selectedNode !== event.node) {
+ $el.tree('selectNode', event.node);
+ }
+
+ // Handle click on menu items, if it's not disabled.
+ var menuItems = $menuEl.find('li:not(.disabled) a');
+ if (menuItems.length !== 0) {
+ menuItems.unbind('click');
+ menuItems.click(function (e) {
+ e.stopImmediatePropagation();
+ dismissContextMenu();
+ var hrefAnchor = e.currentTarget.attributes.href.nodeValue;
+ var funcKey = hrefAnchor.slice(hrefAnchor.indexOf("#") + 1, hrefAnchor.length)
+ var callbackFn = callbacks[funcKey];
+ if (callbackFn) {
+ callbackFn(event.node);
+ }
+ return false;
+ });
+ }
+ });
+
+ this.disable = function () {
+ if (arguments.length === 0) {
+ // Called as: api.disable()
+ $menuEl.find('li:not(.disabled)').addClass('disabled');
+ $menuEl.find('li a').unbind('click');
+ nodeToDisabledMenuItems = {};
+ } else if (arguments.length === 1) {
+ // Called as: api.disable(['edit','remove'])
+ var items = arguments[0];
+ if (typeof items !== 'object') {
+ return;
+ }
+ $menuEl.find('li > a').each(function () {
+ var hrefValue = $(this).attr('href');
+ var value = hrefValue.slice(hrefValue.indexOf("#") + 1, hrefValue.length)
+ if ($.inArray(value, items) > -1) {
+ $(this).closest('li').addClass('disabled');
+ $(this).unbind('click');
+ }
+ });
+ nodeToDisabledMenuItems = {};
+ } else if (arguments.length === 2) {
+ // Called as: api.disable(nodeName, ['edit','remove'])
+ var nodeName = arguments[0];
+ var items = arguments[1];
+ nodeToDisabledMenuItems[nodeName] = items;
+ }
+ };
+
+ this.enable = function () {
+ if (arguments.length === 0) {
+ // Called as: api.enable()
+ $menuEl.find('li.disabled').removeClass('disabled');
+ nodeToDisabledMenuItems = {};
+ } else if (arguments.length === 1) {
+ // Called as: api.enable(['edit','remove'])
+ var items = arguments[0];
+ if (typeof items !== 'object') {
+ return;
+ }
+
+ $menuEl.find('li > a').each(function () {
+ var hrefValue = $(this).attr('href');
+ var value = hrefValue.slice(hrefValue.indexOf("#") + 1, hrefValue.length)
+ if ($.inArray(value, items) > -1) {
+ $(this).closest('li').removeClass('disabled');
+ }
+ });
+
+ nodeToDisabledMenuItems = {};
+ } else if (arguments.length === 2) {
+ // Called as: api.enable(nodeName, ['edit','remove'])
+ var nodeName = arguments[0];
+ var items = arguments[1];
+ if (items.length === 0) {
+ delete nodeToDisabledMenuItems[nodeName];
+ } else {
+ var disabledItems = nodeToDisabledMenuItems[nodeName];
+ for (var i = 0; i < items.length; i++) {
+ var idx = disabledItems.indexOf(items[i]);
+ if (idx > -1) {
+ disabledItems.splice(idx, 1);
+ }
+ }
+ if (disabledItems.length === 0) {
+ delete nodeToDisabledMenuItems[nodeName];
+ } else {
+ nodeToDisabledMenuItems[nodeName] = disabledItems;
+ }
+ }
+ if (Object.keys(nodeToDisabledMenuItems).length === 0) {
+ $menuEl.find('li.disabled').removeClass('disabled');
+ }
+ }
+ };
+ return this;
+ };
+} (jQuery));
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