java - JavaFX GridPane 更改特定行的可见性
问题描述
我正在开发一个以 9x9 GridPane 作为我的棋盘的 JavaFX Sudoku 游戏,我想让网格线仅在框周围可见,因此每 3 行和每列一次,但是我还没有找到任何可行的解决方案。
grid.setGridLinesVisible(true) 只有让每一行都可见的选项
我还尝试在 fxml 代码中为特定的列和行约束添加语句 gridLinesVisible="true" ,但它不允许我把它放进去。
还有其他想法吗?谢谢 :D
解决方案
我建议不要使用一个GridPane
用于整个布局,而是使用 10 个单独GridPane
的容器:9 个用于各个部分,1 个用于容纳所有部分。
这是一个简单的 FXML 布局来演示(包括边框):
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.geometry.Insets?>
<?import javafx.scene.layout.*?>
<VBox xmlns="http://javafx.com/javafx/9.0.1" xmlns:fx="http://javafx.com/fxml/1">
<children>
<GridPane gridLinesVisible="true" style="-fx-border-color: black; -fx-border-width: 3;">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="150.0" minWidth="10.0" prefWidth="150.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="150.0" minWidth="10.0" prefWidth="150.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="150.0" minWidth="10.0" prefWidth="150.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="150.0" minHeight="150.0" prefHeight="150.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="150.0" minHeight="150.0" prefHeight="150.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="150.0" minHeight="150.0" prefHeight="150.0" vgrow="SOMETIMES"/>
</rowConstraints>
<children>
<GridPane gridLinesVisible="true">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.columnIndex="1">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.columnIndex="2">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.rowIndex="1">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.columnIndex="1" GridPane.rowIndex="1">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.columnIndex="2" GridPane.rowIndex="1">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.rowIndex="2">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.columnIndex="1" GridPane.rowIndex="2">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
<GridPane gridLinesVisible="true" GridPane.columnIndex="2" GridPane.rowIndex="2">
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
<ColumnConstraints hgrow="SOMETIMES" maxWidth="50.0" minWidth="50.0" prefWidth="50.0"/>
</columnConstraints>
<rowConstraints>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
<RowConstraints maxHeight="50.0" minHeight="50.0" prefHeight="50.0" vgrow="SOMETIMES"/>
</rowConstraints>
</GridPane>
</children>
</GridPane>
</children>
<padding>
<Insets bottom="5.0" left="5.0" right="5.0" top="5.0"/>
</padding>
</VBox>
所以这里我有一个 3x3 GridPane
,每个单元格是 150x150 像素。在这 9 个单元格中的每一个中,我添加了另一个 3x3 GridPane
,其单元格均为 50x50。
这将创建一个统一的数独网格,可供使用:
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