drop-down-menu

问题 I've seen the documentation for the dropdown menu as component and separately using javascript. I'm wondering if it is possible to add a single dropdown menu in the website's body (absoluted positioned relative to the clickable button element). Why? Because if I have a table with 500 rows I do not want to add the same list of 10 items 500 times making the resulting HTML bigger and slower when dealing with JS. Because the parent element can be hidden but I still want the dropdown menu to be

问题 I have a data frame like below: df <- data.frame(child = c('item3-1-1','item3-1-2','item3-2','item3-1','item2-1','item2-2','item1'),parent = c('item3-1','item3-1','item3','item3','item2','item2','')) I want to convert this dataframe in below format: choices <- list( list(id = 1, title = "item1"), list(id = 2, title = "item2", subs = list( list(id = 21, title = "item2-1"), list(id = 22, title = "item2-2") ) ), list(id = 3, title = "item3", subs = list( list(id = 31, title = "item3-1",

问题 I've already done a toolbar with buttons that have a dropdown menu but I need more submenu levels. It's possible to do that? Example: toolbarbutton -> menu 1 lv 1 menu 2 lv 1 menu 3 lv 1-> submenu 1 lv 2 submenu 2 lv 2 menu 4 lv 1 and so on... 回答1: Have a look at this example! You can achieve using the Ext.menu.Menu class. Here is an Example: { text: 'Main Menu', menu: { xtype: 'menu', items: [{ text: 'Menu One', iconCls: 'edit' }, { text: 'Menu Two', menu: { xtype: 'menu', items: [{ text:

问题 I've already done a toolbar with buttons that have a dropdown menu but I need more submenu levels. It's possible to do that? Example: toolbarbutton -> menu 1 lv 1 menu 2 lv 1 menu 3 lv 1-> submenu 1 lv 2 submenu 2 lv 2 menu 4 lv 1 and so on... 回答1: Have a look at this example! You can achieve using the Ext.menu.Menu class. Here is an Example: { text: 'Main Menu', menu: { xtype: 'menu', items: [{ text: 'Menu One', iconCls: 'edit' }, { text: 'Menu Two', menu: { xtype: 'menu', items: [{ text:

问题 I've already done a toolbar with buttons that have a dropdown menu but I need more submenu levels. It's possible to do that? Example: toolbarbutton -> menu 1 lv 1 menu 2 lv 1 menu 3 lv 1-> submenu 1 lv 2 submenu 2 lv 2 menu 4 lv 1 and so on... 回答1: Have a look at this example! You can achieve using the Ext.menu.Menu class. Here is an Example: { text: 'Main Menu', menu: { xtype: 'menu', items: [{ text: 'Menu One', iconCls: 'edit' }, { text: 'Menu Two', menu: { xtype: 'menu', items: [{ text:

问题 I am using the X-Editable jQuery edit in place library for a Task Status selection field. All it;s stages are shown below from the process of: Clicking the Status It then hides the status SPAN and reveals the hidden Selection field. You can click the selection field which makes it dropdown and show all available options. Clicking a new Selection option value then shows a loading spinner image while it makes an AJAX request to save the value It then Shows the new selected Status Value SPAN.

问题 I am using the X-Editable jQuery edit in place library for a Task Status selection field. All it;s stages are shown below from the process of: Clicking the Status It then hides the status SPAN and reveals the hidden Selection field. You can click the selection field which makes it dropdown and show all available options. Clicking a new Selection option value then shows a loading spinner image while it makes an AJAX request to save the value It then Shows the new selected Status Value SPAN.

问题 How to copy a dropdown menu (data validation) to entire column in Excel (only rows that having something else too). And, in this case, how to leave row for the header? 回答1: To copy and paste only the dropdown list (validation), and only to not empty cells, do the following: Select every possible cell (including empty ones) where you want to have the dropdown menu pasted. Hit F5 , then Special... , finally Constants radio button and OK . This will select only cells which are not empty from

问题 How to copy a dropdown menu (data validation) to entire column in Excel (only rows that having something else too). And, in this case, how to leave row for the header? 回答1: To copy and paste only the dropdown list (validation), and only to not empty cells, do the following: Select every possible cell (including empty ones) where you want to have the dropdown menu pasted. Hit F5 , then Special... , finally Constants radio button and OK . This will select only cells which are not empty from

问题 How to copy a dropdown menu (data validation) to entire column in Excel (only rows that having something else too). And, in this case, how to leave row for the header? 回答1: To copy and paste only the dropdown list (validation), and only to not empty cells, do the following: Select every possible cell (including empty ones) where you want to have the dropdown menu pasted. Hit F5 , then Special... , finally Constants radio button and OK . This will select only cells which are not empty from