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JavaFX Articles
Page 4 of 8
How 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 ...
Read MoreHow to color the plotted area of a JavaFX xy-chart?
All the XY charts have an abstract method named layoutPlotChildren(). To color the plotted area (region) of an XY chart one way is to override this method. Generally, it is called to update and layout the plot of children.In the body of this method −Get the series data.Extract the plotted points.Draw a polygon in the plotted area using the extracted points.Set the desired color to the polygon.Exampleimport javafx.application.Application; import javafx.collections.FXCollections; import javafx.collections.ObservableList; 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.chart.XYChart.Series; import javafx.scene.layout.StackPane; import javafx.scene.paint.Color; import javafx.scene.shape.Polygon; public class EnhancingGraphPlot extends Application { public void start(Stage ...
Read MoreHow to set a particular color as background to a JavaFX chart?
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.You can create the required chart by instantiating the respective class.Setting background image and the color −The -fx-background-color class of JavaFX CSS is used to set a colored background to a chart.The -fx-background-color (of the region chart-plot-background) class of JavaFX CSS is used to set the back ground color.JavaFX Scene class has an observable list to hold all the required style sheets. You can get this list using the getStylesheets() method.To set an image as a background ...
Read MoreHow to set a background image to a JavaFX chart?
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.You can create the required chart by instantiating the respective class.Setting background image and the colorThe -fx-background-image class of JavaFX CSS is used to set an image as a background to a chart.The -fx-background-color (of the region chart-plot-background) class of JavaFX CSS is used to set the back ground color.JavaFX Scene class has an observable list to hold all the required style sheets. You can get this list using the getStylesheets() method.To set an image as a ...
Read MoreHow to change the color of X and Y axis lines in a JavaFX char?
The javafx.scene.chart package provides classes to create various charts namely &minusl line chart, area chart, bar chart, pie chart, bubble chart, scatter chart, etc.Except for pie chart, all other charts are plotted on the XY planes. You can create the required XY chart by instantiating the respective class.Changing the color of axis lines −The fx-border-color class of JavaFX CSS is used to set the color of the border of a node.The -fx-border-width class of JavaFX CSS is used to set the width of the border of a node.The setStyle() method of the Node (Base class of all the nodes) class ...
Read MoreHow to create/save the image of a JavaFX pie chart without actually showing the window?
The javafx.scene.chart package of JavaFX provides classes to create various charts namely: line chart, area chart, bar chart, pie chart, bubble chart, scatter chart, etc..To create either of these charts you need to −Instantiate the respective class.Set the required properties.Create a layout/group object to hold the chart.Add the layout/group object to the scene.Show the scene by invoking the show() method.This will show the desired chart on the JavaFX window.Saving the image without showing the windowThe snapshot() method of the Scene class takes a snapshot of the current scene and returns it as a WritableImage Object.Using the FromFXImage() method of the ...
Read MoreJavaFX example to apply multiple transformations on a node
Transformation refers to a change on the node is in the XY plane. JavaFX supports four basic transforms namely −Scale − Increase or decrease the size.Rotate − Movement of the coordinates of a node around a fixed point with an angle.Translate − Movement of the node in the XY plane.Shear − Displacement of an object in a fixed direction such that its shape is slanted.Every node in JavaFX contains an observable list to hold all the transforms to be applied on a node. You can get this list using the getTransforms() method. You can also add multiple transforms to a node.ExampleThe ...
Read MoreWhat is CheckBoxTreeItem in JavaFX explain with an example?
Check boxA checkbox is a type of selection control, which is square in shape with a tick mark int it, It has three states checked or, unchecked and, tristate/indeterminate (optional). Unlike radio buttons, you cannot combine checkboxes using Toggle Button.Tree viewA tree provides a view of hierarchical structures, each tree contains a root (highest object) and it contains children. You can create a tree view by instantiating the javafx.scene.control.TreeView class.A CheckBoxTreeItem is a tree view formed with checkboxes. You can create a checkbox tree item by instantiating the javafx.scene.control.CheckBoxTreeItem class.ExampleThe following Example demonstrates the creation of a CheckBoxTreeItem.import javafx.application.Application; import ...
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