expand

问题 I found what i need on this link https://material-ui.com/components/lists/#simple-list using material-ui. On this link there is chapter "Nested list items". This chapter have only one nested list item with method for expand more/less. I have two nested items in my sidebar. Both of them call a method handleClick for expand more/less options. I want to expand only one (clicked) nested item per click. I also want to expand less on previous item. Here is my sidebar: import React from "react";

问题 I found what i need on this link https://material-ui.com/components/lists/#simple-list using material-ui. On this link there is chapter "Nested list items". This chapter have only one nested list item with method for expand more/less. I have two nested items in my sidebar. Both of them call a method handleClick for expand more/less options. I want to expand only one (clicked) nested item per click. I also want to expand less on previous item. Here is my sidebar: import React from "react";

问题 How can I disable tree items collapsing/expanding when I double-click on tree item? I still would like to do this by clicking on toggle button, but not when I double-click on item. This is XAML I have: <TreeView Grid.Column="0" Grid.Row="0" ItemsSource="{Binding Categories}" helpers:TreeViewHelper.SelectedItem="{Binding SelectedCategory, Mode=TwoWay}" > <TreeView.ItemContainerStyle> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="IsExpanded" Value="True"/> </Style> </TreeView

问题 I have a page for FAQ. Now I wanted a search functionality within that page. I have successfully implemented the search functionality but I am unable to open the particular question related to the search text. Any help would be greatly appreciated!!! Below is my script: $(document).ready(function() { $("#searchfaq").on("keypress click input paste", function() { var val = $(this).val(); if (val.length) { $("#faq_new .card .accordion").hide().filter(function() { return $('.bloc_question .card

问题 Would be really interesting if the expand system query option works for any of you when using this library version. Library and Frameworks combination: Java OData 2 JPA Library 2.0.11 + JPA Hibernate + MySQL I am trying to use the system query option "expand" (eg. /books?$expand=PublisherDetails) in an OData query. At UriParserImpl#handleSystemQueryOptionExpand - L#796 occurs a NPE cause the edmType of the fetched property at L#792 is null If i want to query data from another table using

问题 Is there a way to automatically expand all nodes from a treeview in WPF? I searched and didn't even find an expand function in the treeview property. Thanks 回答1: You can set ItemContainerStyle and use IsExpanded property. <Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Grid> <TreeView> <TreeView.ItemContainerStyle> <Style TargetType="{x:Type TreeViewItem}"> <Setter Property="IsExpanded" Value="True"/> </Style> <

问题 I have a DF with about 1 million records. Each record includes latitude and longitude, and the records are grouped as in the example data (except with much larger groups) data.frame(Latitude=c(-30.25,-30.89,-30.48,-30.10), Longitude=c(116.321,116.98,116.78,116.38), grp=c('a','a','b','b')) Within each group I need to find the maximum distance between any two sets of coordinates. Once I have all combinations of coordinates in a DF with I can calculate distances no problems, but can not

来源： https://stackoverflow.com/questions/48013570/react-expand-and-collapse-just-one-panel

问题 I'd like to set up a fixed <div> , containing an icon, which expands from right to left when being hovered over (the <div> expands, not the icon), revealing a piece of text on the left side of the icon. The icon's position stays unchanged. Here's a sketch to help illustrate what I'd like to do: Changing the size of the <div> on hover is no issue, I simply add a class with a larger width (including a transition to animate the expansion). But I struggle with the positioning of the elements. I

问题 I'd like to set up a fixed <div> , containing an icon, which expands from right to left when being hovered over (the <div> expands, not the icon), revealing a piece of text on the left side of the icon. The icon's position stays unchanged. Here's a sketch to help illustrate what I'd like to do: Changing the size of the <div> on hover is no issue, I simply add a class with a larger width (including a transition to animate the expansion). But I struggle with the positioning of the elements. I