src/cx/fbn/nevernote/dialog/InsertLatexImage.java

   1 /*\r
   2  * This file is part of NeverNote \r
   3  * Copyright 2009 Randy Baumgarte\r
   4  * \r
   5  * This file may be licensed under the terms of of the\r
   6  * GNU General Public License Version 2 (the ``GPL'').\r
   7  *\r
   8  * Software distributed under the License is distributed\r
   9  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either\r
  10  * express or implied. See the GPL for the specific language\r
  11  * governing rights and limitations.\r
  12  *\r
  13  * You should have received a copy of the GPL along with this\r
  14  * program. If not, go to http://www.gnu.org/licenses/gpl.html\r
  15  * or write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
  17  *\r
  18 */\r
  19 \r
  20 package cx.fbn.nevernote.dialog;\r
  21 \r
  22 \r
  23 import com.trolltech.qt.core.Qt;\r
  24 import com.trolltech.qt.gui.QDialog;\r
  25 import com.trolltech.qt.gui.QGridLayout;\r
  26 import com.trolltech.qt.gui.QIcon;\r
  27 import com.trolltech.qt.gui.QLabel;\r
  28 import com.trolltech.qt.gui.QPushButton;\r
  29 import com.trolltech.qt.gui.QTextEdit;\r
  30 \r
  31 public class InsertLatexImage extends QDialog {\r
  32 \r
  33         private boolean         okPressed;\r
  34         private final QTextEdit url;\r
  35         private final QPushButton ok;\r
  36         private String          latexText;\r
  37         private final String iconPath = new String("classpath:cx/fbn/nevernote/icons/");\r
  38                 \r
  39         // Constructor\r
  40         public InsertLatexImage() {\r
  41                 okPressed = false;\r
  42                 setWindowTitle(tr("Insert LaTeX Formula"));\r
  43                 setWindowIcon(new QIcon(iconPath+"link.png"));\r
  44                 QGridLayout grid = new QGridLayout();\r
  45                 QGridLayout input = new QGridLayout();\r
  46                 QGridLayout button = new QGridLayout();\r
  47                 setLayout(grid);\r
  48                 \r
  49                 \r
  50                 url = new QTextEdit("");\r
  51                 \r
  52                 input.addWidget(new QLabel(tr("Formula")), 1,1);\r
  53                 input.addWidget(url, 2, 1);\r
  54                 input.setContentsMargins(10, 10,  -10, -10);\r
  55                 grid.addLayout(input, 1,1);\r
  56                         \r
  57                 ok = new QPushButton(tr("OK"));\r
  58                 ok.clicked.connect(this, "accept()");\r
  59                 ok.setEnabled(false);\r
  60                 \r
  61                 QPushButton cancel = new QPushButton(tr("Cancel"));\r
  62                 cancel.clicked.connect(this, "reject()");\r
  63                 button.addWidget(ok, 1, 1);\r
  64                 button.addWidget(cancel, 1,2);\r
  65                 grid.addLayout(button, 3, 1);\r
  66                 url.textChanged.connect(this, "validateInput()");\r
  67                 \r
  68                 setAttribute(Qt.WidgetAttribute.WA_DeleteOnClose);\r
  69         }\r
  70         // Set the formula\r
  71         public void setFormula(String x) {\r
  72                 url.setText(x);\r
  73         }\r
  74         // Get the formula \r
  75         public String getFormula() {\r
  76                 return latexText;\r
  77         }\r
  78         // Set the url\r
  79         public void setUrl(String u) {\r
  80                 url.setText(u);\r
  81         }\r
  82         // Check if the OK button was pressed\r
  83         public boolean okPressed() {\r
  84                 return okPressed;\r
  85         }\r
  86         // Check that we have a valid URL\r
  87         @SuppressWarnings("unused")\r
  88         private void validateInput() {\r
  89                 ok.setEnabled(true);\r
  90                 if (url.toPlainText().trim().equals("")) \r
  91                         ok.setEnabled(false);\r
  92         }\r
  93         \r
  94         @Override\r
  95         public void accept() {\r
  96                 if (ok.isEnabled()) {\r
  97                         okPressed = true;\r
  98                         latexText = url.toPlainText();\r
  99                         super.accept();\r
 100                 }\r
 101         }\r
 102         \r
 103         @Override\r
 104         public void reject() {\r
 105                 okPressed=false;\r
 106                 super.reject();\r
 107         }\r
 108 }\r