Mercurial > retraceit
annotate src/filterwidget.cpp @ 17:73efe717b944
Fix bug in csv model to allow changing headerdata
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Tue, 14 Apr 2015 18:55:55 +0200 |
parents | 315e6988952a |
children | e12284a222ba |
rev | line source |
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Add filter functionalty to metadataview
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1 #include "filterwidget.h" |
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2 |
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3 #include <QComboBox> |
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4 #include <QHBoxLayout> |
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5 #include <QGroupBox> |
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6 #include <QSortFilterProxyModel> |
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7 #include <QAbstractItemModel> |
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8 #include <QLineEdit> |
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9 #include <QDebug> |
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10 |
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11 FilterWidget::FilterWidget(QSortFilterProxyModel *model, QWidget *parent, Qt::WindowFlags f) : |
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12 QWidget(parent, f), |
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13 mModel(model) { |
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14 Q_ASSERT(model); |
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15 setupGUI(); |
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16 |
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17 connect(mModel, &QSortFilterProxyModel::sourceModelChanged, |
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18 this, &FilterWidget::headersChanged); |
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19 void (QComboBox:: *idxChanged)(int) = &QComboBox::currentIndexChanged; |
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20 connect(mCombo, idxChanged, this, |
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21 &FilterWidget::filterChanged); |
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22 //connect(mCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(filterChanged())); |
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23 connect(mEditLine, &QLineEdit::textChanged, this, |
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24 &FilterWidget::filterChanged); |
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25 } |
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26 |
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27 void FilterWidget::headersChanged() { |
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28 QAbstractItemModel *newSource = mModel->sourceModel(); |
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29 Q_ASSERT(newSource); |
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30 mCombo->clear(); |
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31 mColFilterMap.clear(); |
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32 int addedItems = 0; |
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33 for (int i=0; i < newSource->columnCount(); i++) { |
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34 QString entry = newSource->headerData(i, Qt::Horizontal).toString(); |
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35 if (!entry.startsWith("#")) { |
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36 mCombo->addItem(entry); |
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37 mColFilterMap.insert(addedItems++, i); |
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38 } else { |
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39 if (!newSource->setHeaderData(i, Qt::Horizontal, entry.remove(0,1), Qt::DisplayRole)) { |
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40 qDebug() << "Setting header data failed."; |
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41 } |
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42 } |
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43 } |
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44 } |
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45 |
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46 void FilterWidget::filterChanged() { |
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47 QString filterText = mEditLine->text(); |
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48 if (filterText.size() < 1) { |
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49 return; |
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50 } |
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51 qDebug() << "Filter on Column: " << mColFilterMap.value(mCombo->currentIndex()); |
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52 qDebug() << "Instead of: " << mCombo->currentIndex(); |
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53 mModel->setFilterKeyColumn(mColFilterMap.value(mCombo->currentIndex())); |
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54 mModel->setFilterWildcard(filterText); |
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55 } |
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56 |
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57 void FilterWidget::setupGUI() { |
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58 QHBoxLayout *root = new QHBoxLayout; |
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59 |
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60 QGroupBox *baseGroup = new QGroupBox(tr("Filter")); |
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61 root->addWidget(baseGroup); |
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62 |
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63 QHBoxLayout *baseLayout = new QHBoxLayout; |
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64 baseGroup->setLayout(baseLayout); |
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65 |
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66 mCombo = new QComboBox; |
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67 baseLayout->addWidget(mCombo); |
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68 |
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69 mEditLine = new QLineEdit; |
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70 mEditLine->setPlaceholderText(tr("Filter expression")); |
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71 mEditLine->setClearButtonEnabled(true); |
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72 baseLayout->addWidget(mEditLine); |
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73 |
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74 setLayout(root); |
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75 } |
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76 |