2 * This file is part of NeverNote
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3 * Copyright 2009,2010 Randy Baumgarte
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4 * Copyright 2010 Hiroshi Miura
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6 * This file may be licensed under the terms of of the
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7 * GNU General Public License Version 2 (the ``GPL'').
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9 * Software distributed under the License is distributed
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10 * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
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11 * express or implied. See the GPL for the specific language
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12 * governing rights and limitations.
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14 * You should have received a copy of the GPL along with this
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15 * program. If not, go to http://www.gnu.org/licenses/gpl.html
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16 * or write to the Free Software Foundation, Inc.,
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17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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21 package cx.fbn.nevernote.gui;
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23 import java.util.ArrayList;
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24 import java.util.HashMap;
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25 import java.util.List;
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27 import com.evernote.edam.type.Note;
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28 import com.evernote.edam.type.Tag;
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29 import com.trolltech.qt.core.QByteArray;
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30 import com.trolltech.qt.core.QMimeData;
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31 import com.trolltech.qt.core.Qt;
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32 import com.trolltech.qt.core.Qt.MatchFlag;
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33 import com.trolltech.qt.core.Qt.MatchFlags;
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34 import com.trolltech.qt.core.Qt.SortOrder;
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35 import com.trolltech.qt.gui.QAbstractItemView;
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36 import com.trolltech.qt.gui.QAction;
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37 import com.trolltech.qt.gui.QBrush;
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38 import com.trolltech.qt.gui.QColor;
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39 import com.trolltech.qt.gui.QContextMenuEvent;
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40 import com.trolltech.qt.gui.QDragEnterEvent;
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41 import com.trolltech.qt.gui.QDragMoveEvent;
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42 import com.trolltech.qt.gui.QHeaderView;
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43 import com.trolltech.qt.gui.QIcon;
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44 import com.trolltech.qt.gui.QMenu;
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45 import com.trolltech.qt.gui.QMouseEvent;
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46 import com.trolltech.qt.gui.QTreeWidget;
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47 import com.trolltech.qt.gui.QTreeWidgetItem;
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49 import cx.fbn.nevernote.Global;
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50 import cx.fbn.nevernote.filters.TagCounter;
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51 import cx.fbn.nevernote.signals.NoteSignal;
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52 import cx.fbn.nevernote.signals.TagSignal;
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53 import cx.fbn.nevernote.sql.DatabaseConnection;
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55 public class TagTreeWidget extends QTreeWidget {
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56 private QAction editAction;
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57 private QAction deleteAction;
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58 private QAction addAction;
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59 private QAction iconAction;
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60 public TagSignal tagSignal;
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61 public NoteSignal noteSignal;
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62 private boolean showAllTags;
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63 private final DatabaseConnection db;
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64 private HashMap<String, QIcon> icons;
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65 public Signal0 selectionSignal;
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66 public String selectedTag;
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67 private boolean rightButtonClicked;
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70 public TagTreeWidget(DatabaseConnection d) {
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71 List<String> headers = new ArrayList<String>();
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72 headers.add(tr("Tags"));
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75 setAcceptDrops(true);
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76 setDragEnabled(true);
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78 header().setResizeMode(0, QHeaderView.ResizeMode.ResizeToContents);
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79 header().setResizeMode(1, QHeaderView.ResizeMode.Stretch);
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80 header().setMovable(false);
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82 selectionSignal = new Signal0();
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83 tagSignal = new TagSignal();
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84 noteSignal = new NoteSignal();
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85 setDragDropMode(QAbstractItemView.DragDropMode.DragDrop);
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86 setHeaderLabels(headers);
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87 // setSelectionMode(QAbstractItemView.SelectionMode.MultiSelection);
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88 setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection);
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91 itemClicked.connect(this, "itemClicked()");
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92 int width = Global.getColumnWidth("tagTreeName");
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94 setColumnWidth(0, width);
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98 public void setEditAction(QAction e) {
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101 public void setDeleteAction(QAction d) {
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104 public void setAddAction(QAction a) {
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107 public void setIconAction(QAction i) {
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111 // Insert a new tag into the tree. This is used when we dynamically add a
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112 // new tag after the full tag tree has been built. It only adds to the
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114 public void insertTag(String name, String guid) {
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115 String iconPath = new String("classpath:cx/fbn/nevernote/icons/");
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116 QIcon icon = new QIcon(iconPath+"tag.png");
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117 QTreeWidgetItem child;
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118 Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);
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120 // Build new tag & add it
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121 child = new QTreeWidgetItem();
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122 child.setText(0, name);
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123 child.setIcon(0,icon);
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124 child.setText(2, guid);
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125 child.setTextAlignment(1, ra.value());
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126 addTopLevelItem(child);
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129 resizeColumnToContents(0);
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130 resizeColumnToContents(1);
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131 sortItems(0, SortOrder.AscendingOrder);
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134 public void load(List<Tag> tags) {
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136 List<QTreeWidgetItem> index = new ArrayList<QTreeWidgetItem>();
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137 QTreeWidgetItem child;
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139 //Clear out the tree & reload
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141 String iconPath = new String("classpath:cx/fbn/nevernote/icons/");
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142 QIcon icon = new QIcon(iconPath+"tag.png");
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144 Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);
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146 // Create a copy. We delete them out as they are found
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147 List<Tag> tempList = new ArrayList<Tag>();
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148 for (int i=0; i<tags.size(); i++) {
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149 tempList.add(tags.get(i));
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152 while (tempList.size() > 0) {
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153 for (int i=0; i<tempList.size(); i++) {
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154 tag = tempList.get(i);
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155 if (tag.getParentGuid()==null || tag.getParentGuid().equals("")) {
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156 child = new QTreeWidgetItem();
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157 child.setText(0, tag.getName());
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158 if (icons != null && !icons.containsKey(tag.getGuid())) {
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159 child.setIcon(0, icon);
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161 child.setIcon(0, icons.get(tag.getGuid()));
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164 child.setText(2, tag.getGuid());
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165 child.setTextAlignment(1, ra.value());
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167 addTopLevelItem(child);
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168 tempList.remove(i);
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170 // We need to find the parent
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171 for (int j=0; j<index.size(); j++) {
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172 if (index.get(j).text(2).equals(tag.getParentGuid())) {
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173 child = new QTreeWidgetItem();
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174 child.setText(0, tag.getName());
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175 child.setIcon(0, icon);
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176 child.setText(2, tag.getGuid());
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177 child.setTextAlignment(1, ra.value());
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178 tempList.remove(i);
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180 index.get(j).addChild(child);
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186 resizeColumnToContents(0);
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187 resizeColumnToContents(1);
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188 sortItems(0, SortOrder.AscendingOrder);
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190 // Show (unhide) all tags
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191 public void showAllTags(boolean value) {
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192 showAllTags = value;
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194 public void unhideAllTags() {
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195 MatchFlags flags = new MatchFlags();
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196 flags.set(MatchFlag.MatchWildcard);
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197 flags.set(MatchFlag.MatchRecursive);
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198 List <QTreeWidgetItem> children = findItems("*", flags);
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199 for (int i=0; i<children.size(); i++) {
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200 children.get(i).setHidden(false);
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203 // update the display with the current number of notes
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204 public void updateCounts(List<TagCounter> counts) {
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206 MatchFlags flags = new MatchFlags();
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207 flags.set(MatchFlag.MatchWildcard);
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208 flags.set(MatchFlag.MatchRecursive);
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209 // List<QTreeWidgetItem> children = new ArrayList<QTreeWidgetItem>();
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210 List <QTreeWidgetItem> children = findItems("*", flags);
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212 QBrush black = new QBrush();
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213 black.setColor(QColor.black);
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214 QBrush blue = new QBrush();
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215 blue.setColor(QColor.blue);
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216 if (!Global.tagBehavior().equalsIgnoreCase("ColorActive"))
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217 blue.setColor(QColor.black);
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219 for (int i=0; i<children.size(); i++) {
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220 children.get(i).setText(1,"0");
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221 children.get(i).setForeground(0, black);
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222 children.get(i).setForeground(1, black);
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223 if (!showAllTags && (Global.tagBehavior().equalsIgnoreCase("HideInactiveCount") || Global.tagBehavior().equalsIgnoreCase("NoHideInactiveCount")))
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224 children.get(i).setHidden(true);
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226 children.get(i).setHidden(false);
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227 if (children.get(i).isSelected())
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228 children.get(i).setHidden(false);
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230 for (int i=0; i<counts.size(); i++) {
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231 for (int j=0; j<children.size(); j++) {
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232 String guid = children.get(j).text(2);
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233 if (counts.get(i).getGuid().equals(guid)) {
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234 children.get(j).setText(1, new Integer(counts.get(i).getCount()).toString());
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235 if (counts.get(i).getCount() > 0 || children.get(j).isSelected()) {
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236 children.get(j).setForeground(0, blue);
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237 children.get(j).setForeground(1, blue);
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238 QTreeWidgetItem parent = children.get(j);
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239 while (parent != null) {
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240 parent.setForeground(0, blue);
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241 parent.setForeground(1, blue);
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242 parent.setHidden(false);
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243 parent = parent.parent();
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252 public boolean selectGuid(String guid) {
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253 MatchFlags flags = new MatchFlags();
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254 flags.set(MatchFlag.MatchWildcard);
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255 flags.set(MatchFlag.MatchRecursive);
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256 // List<QTreeWidgetItem> children = new ArrayList<QTreeWidgetItem>();
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257 List <QTreeWidgetItem> children = findItems("*", flags);
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259 for (int i=0; i<children.size(); i++) {
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260 if (children.get(i).text(2).equals(guid)) {
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261 children.get(i).setSelected(true);
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269 protected void dragMoveEvent(QDragMoveEvent event) {
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270 if (event.mimeData().hasFormat("application/x-nevernote-note")) {
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271 if (event.answerRect().intersects(childrenRect()))
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272 event.acceptProposedAction();
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279 public void dragEnterEvent(QDragEnterEvent event) {
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280 if (event.mimeData().hasFormat("application/x-nevernote-note")) {
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284 if (event.source() == this) {
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285 if (Global.tagBehavior().equals("HideInactiveCount")) {
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289 event.mimeData().setData("application/x-nevernote-tag", new QByteArray(currentItem().text(2)));
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297 public boolean dropMimeData(QTreeWidgetItem parent, int index, QMimeData data, Qt.DropAction action) {
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298 if (data.hasFormat("application/x-nevernote-tag")) {
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299 QByteArray d = data.data("application/x-nevernote-tag");
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300 String current = d.toString();
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302 // Check we don't do a dumb thing like move a parent to a child of itself
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303 if (!checkParent(parent, current))
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305 QTreeWidgetItem newChild;
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306 if (parent == null) {
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307 // tagSignal.changeParent.emit(current, "");
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308 db.getTagTable().updateTagParent(current, "");
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309 newChild = new QTreeWidgetItem(this);
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311 // tagSignal.changeParent.emit(current, parent.text(2));
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312 db.getTagTable().updateTagParent(current, parent.text(2));
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313 newChild = new QTreeWidgetItem(parent);
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315 copyTreeItem(currentItem(), newChild);
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316 currentItem().setHidden(true);
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317 sortItems(0, SortOrder.AscendingOrder);
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321 // If we are dropping a note
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322 if (data.hasFormat("application/x-nevernote-note")) {
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323 String notebookGuid = db.getTagTable().getNotebookGuid(parent.text(2));
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324 QByteArray d = data.data("application/x-nevernote-note");
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325 String s = d.toString();
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326 String noteGuidArray[] = s.split(" ");
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327 for (String element : noteGuidArray) {
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328 Note n = db.getNoteTable().getNote(element.trim(), false, false, false, false, false);
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331 // 1.) Check that tag isn't already assigned to that note
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332 // 2.) Check that that tag is valid for that notebook or the tag isn't notebook specific
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333 // 3.) Check that the notebook isn't read only.
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334 if (!db.getNoteTable().noteTagsTable.checkNoteNoteTags(element.trim(), parent.text(2)) &&
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335 (notebookGuid == null || n.getNotebookGuid().equalsIgnoreCase(notebookGuid) || notebookGuid.equals("")) &&
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336 !db.getNotebookTable().isReadOnly(n.getNotebookGuid())) {
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337 db.getNoteTable().noteTagsTable.saveNoteTag(element.trim(), parent.text(2));
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338 noteSignal.tagsAdded.emit(element.trim(), parent.text(2));
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341 //tagSignal.listChanged.emit();
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349 public void contextMenuEvent(QContextMenuEvent event) {
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350 QMenu menu = new QMenu(this);
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351 menu.addAction(addAction);
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352 menu.addAction(editAction);
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353 menu.addAction(deleteAction);
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354 menu.addSeparator();
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355 menu.addAction(iconAction);
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356 menu.exec(event.globalPos());
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359 public void setIcons(HashMap<String, QIcon> i) {
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363 // Copy an individual item within the tree. I need to do this because
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364 // Qt doesn't call the dropMimeData on a move, just a copy.
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365 private void copyTreeItem(QTreeWidgetItem source, QTreeWidgetItem target) {
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366 target.setText(0, source.text(0));
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367 target.setIcon(0, source.icon(0));
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368 target.setText(1, source.text(1));
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369 target.setText(2, source.text(2));
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370 Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);
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371 target.setTextAlignment(1, ra.value());
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373 for (int i=0; i<source.childCount(); i++) {
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374 QTreeWidgetItem newChild = new QTreeWidgetItem(target);
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375 copyTreeItem(source.child(i), newChild);
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376 source.child(i).setHidden(true);
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381 // Check that we don't copy a parent as a child of a current child.
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382 private boolean checkParent(QTreeWidgetItem parent, String child) {
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383 if (parent != null)
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384 if (parent.text(2).equals(child))
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386 if (parent == null)
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388 return checkParent(parent.parent(), child);
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392 public void selectSavedSearch(QTreeWidgetItem item) {
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393 MatchFlags flags = new MatchFlags();
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394 flags.set(MatchFlag.MatchWildcard);
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395 flags.set(MatchFlag.MatchRecursive);
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396 List <QTreeWidgetItem> children = findItems("*", flags);
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398 for (int j=0; j<children.size(); j++) {
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399 String guid = children.get(j).text(2);
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400 if (item.text(2).equals(guid)) {
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401 children.get(j).setSelected(true);
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406 @SuppressWarnings("unused")
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407 private void itemClicked() {
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409 List<QTreeWidgetItem> selectedItem = selectedItems();
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410 if (selectedItem.size() == 1) {
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411 if (selectedItem.get(0).text(0).equalsIgnoreCase(selectedTag) && !rightButtonClicked) {
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415 selectedTag = selectedItem.get(0).text(0);
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419 selectionSignal.emit();
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424 public void mousePressEvent(QMouseEvent e) {
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425 if (e.button() == Qt.MouseButton.RightButton)
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426 rightButtonClicked = true;
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428 rightButtonClicked = false;
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429 super.mousePressEvent(e);
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