grid

Wanting a type of grid for a pixel editor

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More than a few hundred components is awkward. One easy way to get big pixels is to use drawImage() and scale the mouse coordinates as shown here and here. Here’s a simple example. import java.awt.Dimension; import java.awt.EventQueue; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Point; import java.awt.event.MouseEvent; import java.awt.event.MouseMotionListener; import java.awt.image.BufferedImage; import javax.swing.Icon; import javax.swing.JFrame; import javax.swing.JPanel; … Read more

How to populate a WPF grid based on a 2-dimensional array

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The purpose of the Grid is not for real databinding, it is just a panel. I am listing down the easiest way to accomplish the visualization of a two dimensional list <Window.Resources> <DataTemplate x:Key=”DataTemplate_Level2″> <Button Content=”{Binding}” Height=”40″ Width=”50″ Margin=”4,4,4,4″/> </DataTemplate> <DataTemplate x:Key=”DataTemplate_Level1″> <ItemsControl ItemsSource=”{Binding}” ItemTemplate=”{DynamicResource DataTemplate_Level2}”> <ItemsControl.ItemsPanel> <ItemsPanelTemplate> <StackPanel Orientation=”Horizontal”/> </ItemsPanelTemplate> </ItemsControl.ItemsPanel> </ItemsControl> </DataTemplate> </Window.Resources> … Read more

How to validate inputs dynamically created using ng-repeat, ng-show (angular)

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Since the question was asked the Angular team has solved this issue by making it possible to dynamically create input names. With Angular version 1.3 and later you can now do this: <form name=”vm.myForm” novalidate> <div ng-repeat=”p in vm.persons”> <input type=”text” name=”person_{{$index}}” ng-model=”p” required> <span ng-show=”vm.myForm[‘person_’ + $index].$invalid”>Enter a name</span> </div> </form> Demo Angular 1.3 … Read more

Order columns through Bootstrap4

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2021 – Bootstrap 5 The responsive ordering classes are now order-first, order-last and order-0 – order-5 Demo 2018 – Bootstrap 4 The responsive ordering classes are now order-first, order-last and order-0 – order-12 The Bootstrap 4 **push** **pull** classes are now `push-{viewport}-{units}` and `pull-{viewport}-{units}` and the `xs-` infix has been removed. To get the desired … Read more

How to make a grid of JSF composite component?

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A composite component gets indeed rendered as a single component. You want to use a Facelet tag file instead. It gets rendered exactly as whatever its output renders. Here’s a kickoff example assuming that you want a 3-column form with a message field in the third column. Create tag file in /WEB-INF/tags/input.xhtml (or in /META-INF … Read more

Bootstrap 4.0 Grid System Layout not working

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You’re just missing a basic Bootstrap “rule”. From the docs.. In a grid layout, content must be placed within columns and only columns may be immediate children of rows. In Bootstrap 4, .col- that are not placed in .row will stack vertically. https://www.codeply.com/go/GlA3IP7oGU <div class=”row”> <div class=”col-12 col-sm-12 col-md-6 col-xl-6″ style=”border-left: solid 1px #ffbfbf;”> <div … Read more