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.Tag;
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28 import com.trolltech.qt.core.QByteArray;
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29 import com.trolltech.qt.core.QMimeData;
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30 import com.trolltech.qt.core.Qt;
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31 import com.trolltech.qt.core.Qt.MatchFlag;
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32 import com.trolltech.qt.core.Qt.MatchFlags;
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33 import com.trolltech.qt.core.Qt.SortOrder;
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34 import com.trolltech.qt.gui.QAbstractItemView;
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35 import com.trolltech.qt.gui.QAction;
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36 import com.trolltech.qt.gui.QBrush;
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37 import com.trolltech.qt.gui.QColor;
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38 import com.trolltech.qt.gui.QContextMenuEvent;
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39 import com.trolltech.qt.gui.QDragEnterEvent;
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40 import com.trolltech.qt.gui.QDragMoveEvent;
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41 import com.trolltech.qt.gui.QHeaderView;
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42 import com.trolltech.qt.gui.QIcon;
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43 import com.trolltech.qt.gui.QMenu;
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44 import com.trolltech.qt.gui.QTreeWidget;
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45 import com.trolltech.qt.gui.QTreeWidgetItem;
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47 import cx.fbn.nevernote.Global;
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48 import cx.fbn.nevernote.filters.TagCounter;
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49 import cx.fbn.nevernote.signals.NoteSignal;
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50 import cx.fbn.nevernote.signals.TagSignal;
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51 import cx.fbn.nevernote.sql.DatabaseConnection;
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53 public class TagTreeWidget extends QTreeWidget {
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54 private QAction editAction;
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55 private QAction deleteAction;
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56 private QAction addAction;
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57 private QAction iconAction;
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58 public TagSignal tagSignal;
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59 public NoteSignal noteSignal;
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60 private boolean showAllTags;
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61 private final DatabaseConnection db;
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62 private HashMap<String, QIcon> icons;
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65 public TagTreeWidget(DatabaseConnection d) {
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66 List<String> headers = new ArrayList<String>();
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67 headers.add(tr("Tags"));
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70 setAcceptDrops(true);
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71 setDragEnabled(true);
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73 header().setResizeMode(0, QHeaderView.ResizeMode.ResizeToContents);
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74 header().setResizeMode(1, QHeaderView.ResizeMode.Stretch);
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75 header().setMovable(false);
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77 tagSignal = new TagSignal();
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78 noteSignal = new NoteSignal();
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79 setDragDropMode(QAbstractItemView.DragDropMode.DragDrop);
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80 setHeaderLabels(headers);
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81 // setSelectionMode(QAbstractItemView.SelectionMode.MultiSelection);
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82 setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection);
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84 int width = Global.getColumnWidth("tagTreeName");
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86 setColumnWidth(0, width);
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90 public void setEditAction(QAction e) {
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93 public void setDeleteAction(QAction d) {
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96 public void setAddAction(QAction a) {
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99 public void setIconAction(QAction i) {
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103 // Insert a new tag into the tree. This is used when we dynamically add a
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104 // new tag after the full tag tree has been built. It only adds to the
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106 public void insertTag(String name, String guid) {
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107 String iconPath = new String("classpath:cx/fbn/nevernote/icons/");
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108 QIcon icon = new QIcon(iconPath+"tag.png");
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109 QTreeWidgetItem child;
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110 Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);
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112 // Build new tag & add it
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113 child = new QTreeWidgetItem();
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114 child.setText(0, name);
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115 child.setIcon(0,icon);
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116 child.setText(2, guid);
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117 child.setTextAlignment(1, ra.value());
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118 addTopLevelItem(child);
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121 resizeColumnToContents(0);
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122 resizeColumnToContents(1);
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123 sortItems(0, SortOrder.AscendingOrder);
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126 public void load(List<Tag> tags) {
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128 List<QTreeWidgetItem> index = new ArrayList<QTreeWidgetItem>();
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129 QTreeWidgetItem child;
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131 //Clear out the tree & reload
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133 String iconPath = new String("classpath:cx/fbn/nevernote/icons/");
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134 QIcon icon = new QIcon(iconPath+"tag.png");
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136 Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);
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138 // Create a copy. We delete them out as they are found
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139 List<Tag> tempList = new ArrayList<Tag>();
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140 for (int i=0; i<tags.size(); i++) {
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141 tempList.add(tags.get(i));
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144 while (tempList.size() > 0) {
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145 for (int i=0; i<tempList.size(); i++) {
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146 tag = tempList.get(i);
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147 if (tag.getParentGuid()==null || tag.getParentGuid().equals("")) {
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148 child = new QTreeWidgetItem();
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149 child.setText(0, tag.getName());
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150 if (icons != null && !icons.containsKey(tag.getGuid())) {
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151 child.setIcon(0, icon);
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153 child.setIcon(0, icons.get(tag.getGuid()));
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156 child.setText(2, tag.getGuid());
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157 child.setTextAlignment(1, ra.value());
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159 addTopLevelItem(child);
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160 tempList.remove(i);
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162 // We need to find the parent
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163 for (int j=0; j<index.size(); j++) {
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164 if (index.get(j).text(2).equals(tag.getParentGuid())) {
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165 child = new QTreeWidgetItem();
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166 child.setText(0, tag.getName());
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167 child.setIcon(0, icon);
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168 child.setText(2, tag.getGuid());
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169 child.setTextAlignment(1, ra.value());
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170 tempList.remove(i);
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172 index.get(j).addChild(child);
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178 resizeColumnToContents(0);
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179 resizeColumnToContents(1);
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180 sortItems(0, SortOrder.AscendingOrder);
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182 // Show (unhide) all tags
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183 public void showAllTags(boolean value) {
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184 showAllTags = value;
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186 public void unhideAllTags() {
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187 MatchFlags flags = new MatchFlags();
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188 flags.set(MatchFlag.MatchWildcard);
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189 flags.set(MatchFlag.MatchRecursive);
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190 List <QTreeWidgetItem> children = findItems("*", flags);
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191 for (int i=0; i<children.size(); i++) {
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192 children.get(i).setHidden(false);
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195 // update the display with the current number of notes
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196 public void updateCounts(List<TagCounter> counts) {
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198 MatchFlags flags = new MatchFlags();
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199 flags.set(MatchFlag.MatchWildcard);
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200 flags.set(MatchFlag.MatchRecursive);
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201 // List<QTreeWidgetItem> children = new ArrayList<QTreeWidgetItem>();
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202 List <QTreeWidgetItem> children = findItems("*", flags);
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204 QBrush black = new QBrush();
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205 black.setColor(QColor.black);
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206 QBrush blue = new QBrush();
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207 blue.setColor(QColor.blue);
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208 if (!Global.tagBehavior().equalsIgnoreCase("ColorActive"))
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209 blue.setColor(QColor.black);
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211 for (int i=0; i<children.size(); i++) {
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212 children.get(i).setText(1,"0");
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213 children.get(i).setForeground(0, black);
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214 children.get(i).setForeground(1, black);
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215 if (!showAllTags && (Global.tagBehavior().equalsIgnoreCase("HideInactiveCount") || Global.tagBehavior().equalsIgnoreCase("NoHideInactiveCount")))
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216 children.get(i).setHidden(true);
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218 children.get(i).setHidden(false);
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219 if (children.get(i).isSelected())
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220 children.get(i).setHidden(false);
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222 for (int i=0; i<counts.size(); i++) {
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223 for (int j=0; j<children.size(); j++) {
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224 String guid = children.get(j).text(2);
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225 if (counts.get(i).getGuid().equals(guid)) {
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226 children.get(j).setText(1, new Integer(counts.get(i).getCount()).toString());
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227 if (counts.get(i).getCount() > 0 || children.get(j).isSelected()) {
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228 children.get(j).setForeground(0, blue);
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229 children.get(j).setForeground(1, blue);
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230 QTreeWidgetItem parent = children.get(j);
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231 while (parent != null) {
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232 parent.setForeground(0, blue);
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233 parent.setForeground(1, blue);
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234 parent.setHidden(false);
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235 parent = parent.parent();
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244 public boolean selectGuid(String guid) {
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245 MatchFlags flags = new MatchFlags();
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246 flags.set(MatchFlag.MatchWildcard);
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247 flags.set(MatchFlag.MatchRecursive);
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248 // List<QTreeWidgetItem> children = new ArrayList<QTreeWidgetItem>();
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249 List <QTreeWidgetItem> children = findItems("*", flags);
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251 for (int i=0; i<children.size(); i++) {
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252 if (children.get(i).text(2).equals(guid)) {
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253 children.get(i).setSelected(true);
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261 protected void dragMoveEvent(QDragMoveEvent event) {
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262 if (event.mimeData().hasFormat("application/x-nevernote-note")) {
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263 if (event.answerRect().intersects(childrenRect()))
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264 event.acceptProposedAction();
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271 public void dragEnterEvent(QDragEnterEvent event) {
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272 if (event.mimeData().hasFormat("application/x-nevernote-note")) {
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276 if (event.source() == this) {
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277 if (Global.tagBehavior().equals("HideInactiveCount")) {
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281 event.mimeData().setData("application/x-nevernote-tag", new QByteArray(currentItem().text(2)));
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289 public boolean dropMimeData(QTreeWidgetItem parent, int index, QMimeData data, Qt.DropAction action) {
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290 if (data.hasFormat("application/x-nevernote-tag")) {
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291 QByteArray d = data.data("application/x-nevernote-tag");
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292 String current = d.toString();
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294 // Check we don't do a dumb thing like move a parent to a child of itself
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295 if (!checkParent(parent, current))
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297 QTreeWidgetItem newChild;
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298 if (parent == null) {
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299 tagSignal.changeParent.emit(current, "");
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300 db.getTagTable().updateTagParent(current, "");
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301 newChild = new QTreeWidgetItem(this);
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303 tagSignal.changeParent.emit(current, parent.text(2));
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304 db.getTagTable().updateTagParent(current, parent.text(2));
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305 newChild = new QTreeWidgetItem(parent);
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307 copyTreeItem(currentItem(), newChild);
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308 currentItem().setHidden(true);
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309 sortItems(0, SortOrder.AscendingOrder);
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312 if (data.hasFormat("application/x-nevernote-note")) {
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313 QByteArray d = data.data("application/x-nevernote-note");
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314 String s = d.toString();
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315 String noteGuidArray[] = s.split(" ");
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316 for (String element : noteGuidArray) {
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317 if (!db.getNoteTable().noteTagsTable.checkNoteNoteTags(element.trim(), parent.text(2))) {
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318 db.getNoteTable().noteTagsTable.saveNoteTag(element.trim(), parent.text(2));
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319 noteSignal.tagsAdded.emit(element.trim(), parent.text(2));
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322 //tagSignal.listChanged.emit();
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330 public void contextMenuEvent(QContextMenuEvent event) {
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331 QMenu menu = new QMenu(this);
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332 menu.addAction(addAction);
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333 menu.addAction(editAction);
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334 menu.addAction(deleteAction);
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335 menu.addSeparator();
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336 menu.addAction(iconAction);
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337 menu.exec(event.globalPos());
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340 public void setIcons(HashMap<String, QIcon> i) {
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344 // Copy an individual item within the tree. I need to do this because
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345 // Qt doesn't call the dropMimeData on a move, just a copy.
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346 private void copyTreeItem(QTreeWidgetItem source, QTreeWidgetItem target) {
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347 target.setText(0, source.text(0));
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348 target.setIcon(0, source.icon(0));
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349 target.setText(1, source.text(1));
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350 target.setText(2, source.text(2));
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351 Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);
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352 target.setTextAlignment(1, ra.value());
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354 for (int i=0; i<source.childCount(); i++) {
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355 QTreeWidgetItem newChild = new QTreeWidgetItem(target);
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356 copyTreeItem(source.child(i), newChild);
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357 source.child(i).setHidden(true);
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362 // Check that we don't copy a parent as a child of a current child.
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363 private boolean checkParent(QTreeWidgetItem parent, String child) {
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364 if (parent != null)
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365 if (parent.text(2).equals(child))
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367 if (parent == null)
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369 return checkParent(parent.parent(), child);
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373 public void selectSavedSearch(QTreeWidgetItem item) {
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374 MatchFlags flags = new MatchFlags();
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375 flags.set(MatchFlag.MatchWildcard);
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376 flags.set(MatchFlag.MatchRecursive);
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377 List <QTreeWidgetItem> children = findItems("*", flags);
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379 for (int j=0; j<children.size(); j++) {
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380 String guid = children.get(j).text(2);
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381 if (item.text(2).equals(guid)) {
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382 children.get(j).setSelected(true);
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