annotate src/filterwidget.cpp @ 17:73efe717b944

Fix bug in csv model to allow changing headerdata
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 14 Apr 2015 18:55:55 +0200
parents 315e6988952a
children e12284a222ba
rev   line source
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e4748da7140b Add filter functionalty to metadataview
Andre Heinecke <andre.heinecke@intevation.de>
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1 #include "filterwidget.h"
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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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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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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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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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73efe717b944 Fix bug in csv model to allow changing headerdata
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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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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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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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63 QHBoxLayout *baseLayout = new QHBoxLayout;
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64 baseGroup->setLayout(baseLayout);
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66 mCombo = new QComboBox;
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67 baseLayout->addWidget(mCombo);
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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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74 setLayout(root);
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75 }
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76
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