Mercurial > retraceit
annotate src/filterwidget.cpp @ 39:5d05b812807b
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author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Wed, 06 May 2015 18:09:48 +0200 |
parents | 4e16fbd10945 |
children | 3916cb3c9105 |
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1 /* Copyright (C) 2015 by ETH Zürich |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU GPL (v>=2) |
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5 * and comes with ABSOLUTELY NO WARRANTY! |
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6 * See LICENSE.txt for details. |
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7 */ |
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8 #include "filterwidget.h" |
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9 |
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10 #include <QComboBox> |
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11 #include <QHBoxLayout> |
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12 #include <QGroupBox> |
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13 #include <QSortFilterProxyModel> |
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14 #include <QAbstractItemModel> |
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15 #include <QLineEdit> |
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16 #include <QDebug> |
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17 |
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18 FilterWidget::FilterWidget(QSortFilterProxyModel *model, QWidget *parent, Qt::WindowFlags f) : |
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19 QWidget(parent, f), |
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20 mModel(model) { |
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21 Q_ASSERT(model); |
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22 setupGUI(); |
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23 |
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24 connect(mModel, &QSortFilterProxyModel::sourceModelChanged, |
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25 this, &FilterWidget::headersChanged); |
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26 void (QComboBox:: *idxChanged)(int) = &QComboBox::currentIndexChanged; |
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27 connect(mCombo, idxChanged, this, |
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28 &FilterWidget::filterChanged); |
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29 //connect(mCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(filterChanged())); |
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30 connect(mEditLine, &QLineEdit::textChanged, this, |
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31 &FilterWidget::filterChanged); |
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32 } |
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33 |
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34 void FilterWidget::headersChanged() { |
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35 QAbstractItemModel *newSource = mModel->sourceModel(); |
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36 Q_ASSERT(newSource); |
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37 mCombo->clear(); |
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38 mColFilterMap.clear(); |
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39 int addedItems = 0; |
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40 for (int i=0; i < newSource->columnCount(); i++) { |
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41 QString entry = newSource->headerData(i, Qt::Horizontal).toString(); |
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42 if (!entry.startsWith("#")) { |
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43 mCombo->addItem(entry); |
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44 mColFilterMap.insert(addedItems++, i); |
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45 } else { |
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46 if (!newSource->setHeaderData(i, Qt::Horizontal, entry.remove(0,1), Qt::DisplayRole)) { |
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47 qDebug() << "Setting header data failed."; |
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48 } |
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49 } |
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50 } |
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51 } |
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52 |
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53 void FilterWidget::filterChanged() { |
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54 QString filterText = mEditLine->text(); |
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55 mModel->setFilterKeyColumn(mColFilterMap.value(mCombo->currentIndex())); |
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56 mModel->setFilterWildcard(filterText); |
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57 emit filterHasChanged(); |
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58 } |
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59 |
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60 void FilterWidget::setupGUI() { |
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61 QHBoxLayout *root = new QHBoxLayout; |
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62 |
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63 QGroupBox *baseGroup = new QGroupBox(tr("Filter")); |
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64 root->addWidget(baseGroup); |
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65 |
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66 QHBoxLayout *baseLayout = new QHBoxLayout; |
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67 baseGroup->setLayout(baseLayout); |
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68 |
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69 mCombo = new QComboBox; |
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70 baseLayout->addWidget(mCombo); |
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71 |
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72 mEditLine = new QLineEdit; |
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73 mEditLine->setPlaceholderText(tr("Filter expression")); |
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74 mEditLine->setClearButtonEnabled(true); |
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75 baseLayout->addWidget(mEditLine); |
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76 |
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77 setLayout(root); |
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78 } |
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79 |