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Articles by Maruthi Krishna
Page 20 of 50
How can we prevent the resizing of UI controls in JavaFX?
In JavaFX the javafx.scene.control package provides various classes for nodes specially designed for UI applications by instantiating these classes you can create UI elements such as button, Label, etc..You can resize the created elements using the setPrefWidth() or, setPrefHeight() or, setprefSize() methods accordingly.To prevent the resize of the UI controls you need to set the minimum-maximum and preferred width/height to same value as −button.setMinWidth(80.0); button.setPrefWidth(80.0); button.setMaxWidth(80.0);ExampleThe following JavaFX example contains two buttons and a slider. You can resize the button (Hello) by moving the slider. Once you click the PreventResizing button, then you cannot resize the “Hello” button further.import javafx.application.Application; ...
Read MoreHow to change the orientation of nodes in a tile pane using JavaFX?
In the TilePane layout, the nodes are arranged as a grid of uniformly sized tiles. You can create a tile pane in your application by instantiating the javafx.scene.layout.TilePane class.Orientation refers to the arrangement of the nodes in the pane in general, they are arranged wither horizontally or vertically.By default the orientation of the tile pane is horizontal. You can change this using the setOrientation() method. This method accepts two values −Orientation.VERTICALOrientation.HORIZONTALExampleimport javafx.application.Application; import javafx.collections.ObservableList; import javafx.geometry.Orientation; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.TilePane; import javafx.stage.Stage; public class TilePaneOrientation extends Application { @Override public void start(Stage stage) { ...
Read MoreHow to add multiple LineCharts into one Scene/Stage in JavaFX?
You can create a line chart by instantiating the javafx.scene.chart.LineChart class. Following is an example to create multiple line charts in a single JavaFX window. Here, we are plotting the average temperatures of three different cities in a year.In this example we have defined a method which accepts the data as double array, creates and returns a Linecart. In the start method we are start() method we have invoked this method with three different data sets and displayed the resultant charts using a FlowPane.Exampleimport javafx.application.Application; import javafx.scene.Scene; import javafx.stage.Stage; import javafx.scene.chart.LineChart; import javafx.scene.chart.NumberAxis; import javafx.scene.chart.XYChart; import javafx.scene.layout.FlowPane; public class MultipleLineCharts ...
Read MoreHow to wrap the text in text flow layout in JavaFX?
To create rich text contents in our applications JavaFX provides a special layout called text flow represented by the javafx.scene.layout.TextFlow class. Using this you can layout multiple text nodes in a single text flow.Since they are separate nodes, you can set different fonts to them. If you try to add nodes other than text to this layout, they will be treated as embedded objects and are simply inserted between the text.Wrapping the textUnlike Label and the Text nodes, TextFLow doesn’t provide any method to wrap the text. But it does have a property named prefWidth specifying the desired width of ...
Read MoreHow to set alignment to text in text flow layout?
To create rich text contents in our applications JavaFX provides a special layout called text flow represented by the javafx.scene.layout.TextFlow class. Using this you ca lay out multiple text nodes in a single text flow.Since they are separate nodes, you can set different fonts to them. If you try to add nodes other than text to this layout, they will be treated as embedded objects and are simply inserted between the text.Setting the text alignment −The textAlignment property of the TextFlow class specifies the horizontal alignment of the text in the layout. You can set the value to this property ...
Read MoreHow to add the slider to a menu item in JavaFX?
JavaFX sliderJavaFX provides a class known as Slider, this represents a slider component that displays a continuous range of values. This contains a track on which the number values are displayed. Along the track, there is a thumb pointing to the numbers. You can provide the maximum, minimum, and initial values of the slider.In JavaFX you can create a slider by instantiating the javafx.scene.control.Slider class.Menu ItemA menu is a list of options or commands presented to the user. In JavaFX a menu is represented by the javafx.scene.control.Menu class, you can create a menu by instantiating this class.A menu item is ...
Read MoreHow to change the dimensions of a slider in JavaFX?
JavaFX provides a class known as Slider, this represents a slider component that displays a continuous range of values. This contains a track on which the numerical values are displayed. Along the track, there is a thumb pointing to the numbers. You can provide the maximum, minimum, and initial values of the slider.In JavaFx you can create a slider by instantiating the javafx.scene.control.Slider class. This class provides three methods to change the dimensions of a slider −The setPrefHeight() method − This method accepts a double vale and sets it, as the height of the slider.The setPrefWidth() method − This method ...
Read MoreHow to change the orientation of a slider in JavaFX?
JavaFX provides a class known as Slider, this represents a slider component that displays a continuous range of values. This contains a track on which the number values are displayed. Along the track, there is a thumb pointing to the numbers. You can provide the maximum, minimum, and initial values of the slider.In JavaFx you can create a slider by instantiating the javafx.scene.control.Slider class.Changing the orientation of a sliderThe JavaFX slider can be either vertical or horizontal by default on instantiating the Slider class a horizontal slider is created. The orientation property specifies the orientation of the current slider i.e. ...
Read MoreHow to create an VBox using JavaFX?
Once you create all the required nodes for your application you can arrange them using a layout. Where a layout is a process of calculating the position of objects in the given space. JavaFX provides various layouts in the javafx.scene.layout package.VBoxIn the vbox layout, the nodes are arranged in a single vertical column. You can create an hbox in your application by instantiating the javafx.scene.layout.VBox class. You can set the padding around the hbox using the setPadding() method.To add nodes to this pane you can either pass them as arguments of the constructor or, add them to the observable list ...
Read MoreWhat are various XY charts provided by JavaFX?
The javafx.scene.chart package, provides classes to create various charts namely − line chart, area chart, bar chart, pie chart, bubble chart, scatter chart etc.All these charts belongs to the package javafx.scene.chart. The class named Chart is the base class of all the charts in JavaFX and the XYChart is base class of all those charts that are drawn on the XY–plane.While creating an XY chart you need to −Create x and Y Axes.Create data points on these axes.Create a series using the data points.Add the series to the chart.Defining the AxisIn general, the axis of the charts can be represented ...
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