X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=srcjar%2Ffr%2Forsay%2Flri%2Fvarna%2Fcontrolers%2FControleurDemoTextField.java;fp=srcjar%2Ffr%2Forsay%2Flri%2Fvarna%2Fcontrolers%2FControleurDemoTextField.java;h=fd87fc649068f95a7716c3a9737e9006b9b5c085;hb=ec8f3cedf60fb1feed6d34de6b49f6bfa78b9dd8;hp=0000000000000000000000000000000000000000;hpb=056dad85a910551cc95e44d451a61f6b8c4dd35d;p=jalview.git

diff --git a/srcjar/fr/orsay/lri/varna/controlers/ControleurDemoTextField.java b/srcjar/fr/orsay/lri/varna/controlers/ControleurDemoTextField.java
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@@ -0,0 +1,143 @@
+/*
+ VARNA is a tool for the automated drawing, visualization and annotation of the secondary structure of RNA, designed as a companion software for web servers and databases.
+ Copyright (C) 2008  Kevin Darty, Alain Denise and Yann Ponty.
+ electronic mail : Yann.Ponty@lri.fr
+ paper mail : LRI, bat 490 Université Paris-Sud 91405 Orsay Cedex France
+
+ This file is part of VARNA version 3.1.
+ VARNA version 3.1 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.
+
+ VARNA version 3.1 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 VARNA version 3.1.
+ If not, see http://www.gnu.org/licenses.
+ */
+package fr.orsay.lri.varna.controlers;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.Stack;
+
+import javax.swing.event.CaretEvent;
+import javax.swing.event.CaretListener;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.DefaultHighlighter;
+import javax.swing.text.Highlighter;
+
+import fr.orsay.lri.varna.applications.VARNAOnlineDemo;
+import fr.orsay.lri.varna.exceptions.ExceptionNonEqualLength;
+
+/**
+ * It controls the sequence and structure text fields and changes their color if
+ * they have different lengths or unbalanced parentheses.
+ * 
+ * @author darty
+ * 
+ */
+public class ControleurDemoTextField implements CaretListener {
+	private VARNAOnlineDemo _vod;
+	private String _oldSeq, _oldStruct;
+	private Highlighter _hilit;
+	private Highlighter.HighlightPainter _painter;
+	private final Color COLORERROR = Color.RED;
+	private final Color COLORWARNING = Color.ORANGE;
+
+	public ControleurDemoTextField(VARNAOnlineDemo VOD) {
+		_vod = VOD;
+		_oldSeq = _vod.get_seq().getText();
+		_oldStruct = _vod.get_struct().getText();
+		_hilit = new DefaultHighlighter();
+		_painter = new DefaultHighlighter.DefaultHighlightPainter(Color.BLACK);
+		_vod.get_struct().setHighlighter(_hilit);
+	}
+
+	// if there is any change
+	public void caretUpdate(CaretEvent e) {
+		if (_oldStruct != _vod.get_struct().getText()
+				|| _oldSeq != _vod.get_seq().getText()) {
+			ArrayList<String> infos = new ArrayList<String>();
+			_vod.get_info().removeAll();
+			_hilit.removeAllHighlights();
+			_oldStruct = _vod.get_struct().getText();
+			_oldSeq = _vod.get_seq().getText();
+			int nbPO = 0, nbPF = 0;
+			// compte les parentheses ouvrantes et fermantes
+			Stack<Integer> p = new Stack<Integer>();
+			boolean pb = false;
+			for (int i = 0; i < _vod.get_struct().getText().length(); i++) {
+				if (_vod.get_struct().getText().charAt(i) == '(') {
+					nbPO++;
+					p.push(i);
+				} else if (_vod.get_struct().getText().charAt(i) == ')') {
+					nbPF++;
+					if (p.size() == 0) {
+						try {
+							_hilit.addHighlight(i, i + 1, _painter);
+						} catch (BadLocationException e1) {
+							_vod.get_varnaPanel().errorDialog(e1);
+						}
+						pb = true;
+					} else
+						p.pop();
+				}
+			}
+
+			// si le nombre de parentheses ouvrantes/fermantes est different
+			if (pb || p.size() > 0) {
+				// colorie en rouge
+				if (pb) {
+					infos.add("too many closing parentheses");
+				}
+				if (p.size() > 0) {
+					int indice;
+					while (!p.isEmpty()) {
+						indice = p.pop();
+						try {
+							_hilit.addHighlight(indice, indice + 1, _painter);
+						} catch (BadLocationException e1) {
+							_vod.get_varnaPanel().errorDialog(e1);
+						}
+					}
+					infos.add("too many opening parentheses");
+				}
+				_vod.get_info().setForeground(COLORERROR);
+				_vod.get_seq().setForeground(COLORERROR);
+				_vod.get_struct().setForeground(COLORERROR);
+			} else {
+				try {
+					// redraw the new RNA
+					_vod.get_varnaPanel().drawRNA(_vod.get_seq().getText(),
+							_vod.get_struct().getText(),
+							_vod.get_varnaPanel().getRNA().get_drawMode());
+				} catch (ExceptionNonEqualLength e1) {
+					_vod.get_varnaPanel().errorDialog(e1);
+				}
+				// verifie la longueur de la structure et de la sequence
+				if (_vod.get_seq().getText().length() != _vod.get_struct()
+						.getText().length()) {
+					// colorie en orange
+					infos.add("different lenghts");
+					_vod.get_seq().setForeground(COLORWARNING);
+					_vod.get_struct().setForeground(COLORWARNING);
+				} else {
+					// sinon colorie en noir
+					_vod.get_seq().setForeground(Color.black);
+					_vod.get_struct().setForeground(Color.black);
+				}
+			}
+			_vod.get_varnaPanel().getVARNAUI().UIReset();
+			String info = new String();
+			if (infos.size() != 0) {
+				info += infos.get(0);
+				for (int i = 1; i < infos.size(); i++) {
+					info += ", " + infos.get(i);
+				}
+				info += ".";
+			}
+			_vod.get_info().setText(info);
+		}
+	}
+}
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