kjots/kjotslinkdialog.cpp

   1 //
   2 //  kjots
   3 //
   4 //  Copyright (C) 2008 Stephen Kelly <steveire@gmail.com>
   5 //
   6 //  This program is free software; you can redistribute it and/or modify
   7 //  it under the terms of the GNU General Public License as published by
   8 //  the Free Software Foundation; either version 2 of the License, or
   9 //  (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 //
  20
  21 #include "kjotslinkdialog.h"
  22
  23 #include <QLabel>
  24 #include <QCompleter>
  25 #include <QGridLayout>
  26 #include <QRadioButton>
  27 #include <QTreeView>
  28
  29 #include <KLocale>
  30 #include <KComboBox>
  31 #include <KLineEdit>
  32
  33 #include <Akonadi/Item>
  34
  35 #include "KJotsSettings.h"
  36 #include "kjotsbookshelfentryvalidator.h"
  37 #include <kdescendantsproxymodel.h>
  38 #include <Akonadi/EntityTreeModel>
  39
  40 KJotsLinkDialog::KJotsLinkDialog( QAbstractItemModel *kjotsModel, QWidget *parent)
  41   : KDialog(parent), m_kjotsModel(kjotsModel)
  42 {
  43     setCaption(i18n("Manage Link"));
  44     setButtons(Ok | Cancel);
  45     setDefaultButton(Ok);
  46     setModal(true);
  47     showButtonSeparator(true);
  48
  49     KDescendantsProxyModel *proxyModel = new KDescendantsProxyModel( this );
  50     proxyModel->setSourceModel( kjotsModel );
  51     proxyModel->setAncestorSeparator( QLatin1String( " / " ) );
  52
  53     m_descendantsProxyModel = proxyModel;
  54
  55     QWidget *entries = new QWidget(this);
  56
  57     QGridLayout *layout = new QGridLayout(entries);
  58
  59     textLabel = new QLabel(i18n("Link Text:"), this);
  60     textLineEdit = new KLineEdit(this);
  61     textLineEdit->setClearButtonShown(true);
  62     linkUrlLabel = new QLabel(i18n("Link URL:"), this);
  63     linkUrlLineEdit = new KLineEdit(this);
  64     hrefCombo = new KComboBox(this);
  65     linkUrlLineEdit->setClearButtonShown(true);
  66
  67     tree = new QTreeView();
  68     tree->setModel(proxyModel);
  69     tree->expandAll();
  70     tree->setColumnHidden(1, true);
  71     hrefCombo->setModel(proxyModel);
  72     hrefCombo->setView(tree);
  73
  74     hrefCombo->setEditable(true);
  75     QCompleter *completer = new QCompleter(proxyModel, this);
  76     completer->setCaseSensitivity(Qt::CaseInsensitive);
  77     hrefCombo->setCompleter(completer);
  78     KJotsBookshelfEntryValidator* validator = new KJotsBookshelfEntryValidator( proxyModel, this );
  79     hrefCombo->setValidator( validator );
  80
  81     QGridLayout* linkLayout = new QGridLayout();
  82     linkUrlLineEditRadioButton = new QRadioButton(entries);
  83     hrefComboRadioButton = new QRadioButton(entries);
  84
  85     connect(linkUrlLineEditRadioButton, SIGNAL(toggled(bool)),
  86         linkUrlLineEdit, SLOT(setEnabled(bool)));
  87     connect(hrefComboRadioButton, SIGNAL(toggled(bool)),
  88         hrefCombo, SLOT(setEnabled(bool)));
  89     hrefCombo->setEnabled(false);
  90     linkUrlLineEditRadioButton->setChecked(true);
  91
  92     linkLayout->addWidget(linkUrlLineEditRadioButton, 0, 0);
  93     linkLayout->addWidget(linkUrlLineEdit, 0, 1);
  94     linkLayout->addWidget(hrefComboRadioButton, 1, 0);
  95     linkLayout->addWidget(hrefCombo, 1, 1);
  96
  97     layout->addWidget(textLabel, 0, 0);
  98     layout->addWidget(textLineEdit, 0, 1);
  99     layout->addWidget(linkUrlLabel, 1, 0);
 100     layout->addLayout( linkLayout, 1, 1 );
 101
 102     setMainWidget(entries);
 103
 104     textLineEdit->setFocus();
 105
 106     connect( hrefCombo, SIGNAL(editTextChanged(QString)),
 107         this, SLOT(trySetEntry(QString)) );
 108 }
 109
 110 void KJotsLinkDialog::setLinkText(const QString &linkText)
 111 {
 112     textLineEdit->setText(linkText);
 113     if (!linkText.trimmed().isEmpty())
 114         linkUrlLineEdit->setFocus();
 115 }
 116
 117 void KJotsLinkDialog::setLinkUrl(const QString &linkUrl)
 118 {
 119     Akonadi::Item item = Akonadi::Item::fromUrl(KUrl(linkUrl));
 120     Akonadi::Collection collection = Akonadi::Collection::fromUrl(KUrl(linkUrl));
 121
 122     if (!item.isValid() && !collection.isValid()) {
 123         linkUrlLineEdit->setText(linkUrl);
 124         linkUrlLineEditRadioButton->setChecked(true);
 125         return;
 126     }
 127
 128     QModelIndex idx;
 129
 130     if (collection.isValid()) {
 131         idx = Akonadi::EntityTreeModel::modelIndexForCollection( m_descendantsProxyModel, collection );
 132     } else if (item.isValid()) {
 133         const QModelIndexList list = Akonadi::EntityTreeModel::modelIndexesForItem( m_descendantsProxyModel, item );
 134         if (list.isEmpty())
 135             return;
 136
 137         idx = list.first();
 138     }
 139
 140     if (!idx.isValid())
 141         return;
 142
 143     hrefComboRadioButton->setChecked(true);
 144
 145     hrefCombo->view()->setCurrentIndex( idx );
 146     hrefCombo->setCurrentIndex( idx.row() );
 147 }
 148
 149 QString KJotsLinkDialog::linkText() const
 150 {
 151     return textLineEdit->text().trimmed();
 152 }
 153
 154 void KJotsLinkDialog::trySetEntry(const QString & text)
 155 {
 156     QString t(text);
 157     int pos = hrefCombo->lineEdit()->cursorPosition();
 158     if ( hrefCombo->validator()->validate(t, pos) == KJotsBookshelfEntryValidator::Acceptable )
 159     {
 160         int row = hrefCombo->findText( t, Qt::MatchFixedString );
 161         QModelIndex index = hrefCombo->model()->index( row, 0 );
 162         hrefCombo->view()->setCurrentIndex( index );
 163         hrefCombo->setCurrentIndex( row );
 164     }
 165 }
 166
 167 QString KJotsLinkDialog::linkUrl() const
 168 {
 169     if (hrefComboRadioButton->isChecked()){
 170         const QModelIndex index = hrefCombo->view()->currentIndex();
 171         const Akonadi::Collection collection = index.data(Akonadi::EntityTreeModel::CollectionRole).value<Akonadi::Collection>();
 172         if (collection.isValid()) {
 173           return QLatin1String("kjots://org.kjots.book/") + QString::number(collection.id());
 174         }
 175         const Akonadi::Item item = index.data(Akonadi::EntityTreeModel::ItemRole).value<Akonadi::Item>();
 176         Q_ASSERT(item.isValid());
 177         return QLatin1String("kjots://org.kjots.page/") + QString::number(item.id());
 178     } else {
 179         return linkUrlLineEdit->text();
 180     }
 181 }
 182