src/cx/fbn/nevernote/gui/TrashTreeWidget.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.gui;\r
  21 \r
  22 import java.util.ArrayList;\r
  23 import java.util.List;\r
  24 \r
  25 import com.trolltech.qt.core.QByteArray;\r
  26 import com.trolltech.qt.core.Qt;\r
  27 import com.trolltech.qt.gui.QAbstractItemView;\r
  28 import com.trolltech.qt.gui.QAction;\r
  29 import com.trolltech.qt.gui.QBrush;\r
  30 import com.trolltech.qt.gui.QColor;\r
  31 import com.trolltech.qt.gui.QContextMenuEvent;\r
  32 import com.trolltech.qt.gui.QDragEnterEvent;\r
  33 import com.trolltech.qt.gui.QHeaderView;\r
  34 import com.trolltech.qt.gui.QIcon;\r
  35 import com.trolltech.qt.gui.QMenu;\r
  36 import com.trolltech.qt.gui.QTreeWidget;\r
  37 import com.trolltech.qt.gui.QTreeWidgetItem;\r
  38 \r
  39 public class TrashTreeWidget extends QTreeWidget {\r
  40         private QAction emptyAction;\r
  41         private QTreeWidgetItem trashItem;\r
  42         private Integer trashCount;     \r
  43         \r
  44         public void setEmptyAction(QAction a) {\r
  45                 emptyAction = a;\r
  46         }\r
  47         \r
  48         \r
  49         public TrashTreeWidget() {\r
  50         trashCount =  0;\r
  51         }\r
  52         \r
  53         public void updateCounts(Integer cnt) {\r
  54                 QBrush gray = new QBrush();\r
  55                 gray.setColor(QColor.gray);\r
  56                 QBrush black = new QBrush();\r
  57                 black.setColor(QColor.black);\r
  58                 \r
  59                 trashCount = cnt;\r
  60                 trashItem.setText(1, trashCount.toString());\r
  61                 header().resizeSection(1, 0);\r
  62                 if (trashCount > 0) {\r
  63                         trashItem.setForeground(0, black);                      \r
  64                         trashItem.setForeground(1, black);                      \r
  65                 } else {\r
  66                         trashItem.setForeground(0, gray);                       \r
  67                         trashItem.setForeground(1, gray);                                               \r
  68                 }\r
  69         }\r
  70         \r
  71         public void load() {\r
  72         String iconPath = new String("classpath:cx/fbn/nevernote/icons/");\r
  73         QIcon trashIcon = new QIcon(iconPath+"trash.png");\r
  74         trashItem = new QTreeWidgetItem();\r
  75         trashItem.setIcon(0, trashIcon);\r
  76         trashItem.setText(0, "Trash");\r
  77         Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);\r
  78         trashItem.setTextAlignment(1, ra.value());\r
  79         List<String> headers = new ArrayList<String>();\r
  80         headers.add("");\r
  81         headers.add("");\r
  82         setHeaderLabels(headers);\r
  83                 setColumnCount(2);\r
  84                 header().setResizeMode(0, QHeaderView.ResizeMode.ResizeToContents);\r
  85                 header().setResizeMode(1, QHeaderView.ResizeMode.Stretch);\r
  86                 header().setMovable(false);\r
  87         setSelectionMode(QAbstractItemView.SelectionMode.MultiSelection);\r
  88         addTopLevelItem(trashItem);\r
  89
  90         }\r
  91 \r
  92         @Override\r
  93         public void contextMenuEvent(QContextMenuEvent event) {\r
  94                 QMenu menu = new QMenu(this);\r
  95                 menu.addAction(emptyAction);\r
  96                 menu.exec(event.globalPos());\r
  97         }\r
  98         \r
  99         \r
 100         @Override\r
 101         public void dragEnterEvent(QDragEnterEvent event) {\r
 102                 event.mimeData().setData("application/x-nevernote-trash", new QByteArray(currentItem().text(1)));\r
 103                 event.accept();\r
 104         }\r
 105 }\r