comparison java/src/uk/ac/qmul/eecs/ccmi/utils/GridBagUtilities.java @ 0:9418ab7b7f3f

Initial import

+/*  
+ CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
+  
+ Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/  
+
+package uk.ac.qmul.eecs.ccmi.utils;
+
+import java.awt.GridBagConstraints;
+
+/**
+ * 
+ * A Utility class providing static method to quickly arrange components, laid out by 
+ * a GridBagLayout, in the following way: one component per row and 
+ * either taking the whole column or just the right part of it, if preceded by a label.  
+ *
+ *
+ */
+public class GridBagUtilities {
+	public GridBagUtilities(){
+		 labelPad = DEFAULT_LABEL_PAD;
+		 row = 0;
+	}
+	
+	public GridBagConstraints label(int pad){
+		GridBagConstraints c ;
+		
+		c = new GridBagConstraints();
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 0;
+		c.gridy = row;
+		c.insets = new java.awt.Insets(PAD,PAD,PAD,pad);
+		
+		return c;
+	}
+	
+	public GridBagConstraints label(){
+		return label(labelPad);
+	}
+	
+	public void setLabelPad(int labelPad){
+		this.labelPad = labelPad;
+	}
+	
+	public GridBagConstraints field(){
+		GridBagConstraints c;
+		
+		c = new GridBagConstraints();
+		c.anchor = GridBagConstraints.CENTER;
+		c.gridx = 1;
+		c.gridy = row++;
+		c.insets = new java.awt.Insets(PAD,PAD,PAD,PAD);
+		c.fill = GridBagConstraints.HORIZONTAL;
+		
+		return c;
+	}
+	
+	public GridBagConstraints all(){
+		GridBagConstraints c;
+		
+		c = new GridBagConstraints();
+		c.gridy = row++;
+		c.anchor = GridBagConstraints.CENTER;
+		c.gridwidth = GridBagConstraints.REMAINDER;
+		c.fill = GridBagConstraints.HORIZONTAL;
+		c.insets = new java.awt.Insets(PAD,PAD,PAD,PAD);
+		return c;
+	}
+	
+	private int labelPad;
+	private int row;
+	public static final int DEFAULT_LABEL_PAD = 50;
+	public static final int PAD = 2;
+}