File indexing completed on 2024-04-14 03:40:35
0001 /************************************************************************************* 0002 * Copyright (C) 2012-2013 by Percy Camilo T. Aucahuasi <percy.camilo.ta@gmail.com> * 0003 * * 0004 * This program is free software; you can redistribute it and/or * 0005 * modify it under the terms of the GNU General Public License * 0006 * as published by the Free Software Foundation; either version 2 * 0007 * of the License, or (at your option) any later version. * 0008 * * 0009 * This program is distributed in the hope that it will be useful, * 0010 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0012 * GNU General Public License for more details. * 0013 * * 0014 * You should have received a copy of the GNU General Public License * 0015 * along with this program; if not, write to the Free Software * 0016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA * 0017 *************************************************************************************/ 0018 0019 #include "spacesdelegate.h" 0020 0021 #include "analitzaplot/plotsdictionarymodel.h" 0022 0023 #include <QPainter> 0024 #include <QPaintEvent> 0025 #include <QToolButton> 0026 #include <QHBoxLayout> 0027 #include <QListView> 0028 #include <QDebug> 0029 #include <QApplication> 0030 #include <KLocalizedString> 0031 0032 //local includes 0033 #include "spacesmodel.h" 0034 #include "datastore.h" 0035 #include "spaceplotsproxymodel.h" 0036 #include "spaceitem.h" 0037 0038 LineEdit::LineEdit(QWidget* parent): QLineEdit(parent) 0039 { 0040 connect(this, SIGNAL(editingFinished()), SLOT(procsSditingFinished())); 0041 } 0042 0043 void LineEdit::procsSditingFinished() 0044 { 0045 emit editingFinished(text()); 0046 } 0047 0048 SpacesDelegate::SpacesDelegate(SpacesView *itemView, QObject *parent) 0049 : QStyledItemDelegate(parent) 0050 , m_itemView(itemView) 0051 , m_isEditing(false) 0052 , m_operationBar(nullptr) 0053 , m_titleEditor(nullptr) 0054 { 0055 itemView->viewport()->installEventFilter(this); 0056 0057 setupOperationBar(); 0058 0059 connect(this, SIGNAL(showSpace(QModelIndex)), itemView, SIGNAL(doubleClicked(QModelIndex))); 0060 } 0061 0062 SpacesDelegate::~SpacesDelegate() 0063 { 0064 } 0065 0066 void SpacesDelegate::setupOperationBar() 0067 { 0068 //BEGIN btns 0069 m_operationBar = new QWidget(m_itemView->viewport()); 0070 0071 QToolButton *m_removeButton = new QToolButton(m_operationBar); 0072 m_removeButton->setToolButtonStyle(Qt::ToolButtonIconOnly); 0073 m_removeButton->setAutoRepeat(false); 0074 m_removeButton->setToolTip(i18n("Remove")); 0075 m_removeButton->setIcon(QIcon::fromTheme("list-remove")); 0076 connect(m_removeButton, SIGNAL(pressed()), SLOT(removeCurrentSpace())); 0077 0078 QToolButton *m_editButton = new QToolButton(m_operationBar); 0079 m_editButton->setToolButtonStyle(Qt::ToolButtonIconOnly); 0080 m_editButton->setAutoRepeat(false); 0081 m_editButton->setToolTip(i18n("Rename")); 0082 m_editButton->setIcon(QIcon::fromTheme("document-edit")); 0083 connect(m_editButton, SIGNAL(pressed()), SLOT(editCurrentSpace())); 0084 0085 QToolButton *m_showButton = new QToolButton(m_operationBar); 0086 m_showButton->setToolButtonStyle(Qt::ToolButtonIconOnly); 0087 m_showButton->setAutoRepeat(false); 0088 m_showButton->setToolTip(i18n("Export as dictionary")); 0089 m_showButton->setIcon(QIcon::fromTheme("document-export")); 0090 connect(m_showButton, SIGNAL(pressed()), SLOT(exportSpace())); 0091 0092 QHBoxLayout* layout = new QHBoxLayout(m_operationBar); 0093 0094 layout->setSpacing(1); 0095 layout->addWidget(m_removeButton); 0096 layout->addWidget(m_editButton); 0097 layout->addWidget(m_showButton); 0098 0099 m_operationBar->adjustSize(); 0100 m_operationBar->hide(); 0101 //END btns 0102 0103 m_titleEditor = new LineEdit(m_itemView->viewport()); 0104 m_titleEditor->setClearButtonEnabled(true); 0105 m_titleEditor->hide(); 0106 0107 connect(m_titleEditor, SIGNAL(editingFinished(QString)), SLOT(finishEditingTitle(QString))); 0108 } 0109 0110 void SpacesDelegate::exportSpace() 0111 { 0112 emit saveDictionary(m_itemView->currentIndex()); 0113 } 0114 0115 QWidget* SpacesDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem&, const QModelIndex& index) const 0116 { 0117 m_currentEditingIndex = index; 0118 m_isEditing = true; 0119 LineEdit *editor = new LineEdit(parent); 0120 0121 QRect rect = m_itemView->visualRect(m_itemView->currentIndex()); 0122 0123 editor->resize(rect.width(), m_titleEditor->height()); 0124 editor->move(rect.left()/*+(PreviewWidth-m_operationBar->width())/2*/,rect.top() + rect.height() - m_operationBar->height() - .8*m_titleEditor->height()); 0125 editor->selectAll(); 0126 editor->setFocus(); 0127 editor->setClearButtonEnabled(true); 0128 0129 return editor; 0130 } 0131 0132 void SpacesDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const 0133 { 0134 if (!index.isValid()) 0135 return ; 0136 0137 static_cast<LineEdit*>(editor)->setText(m_itemView->currentIndex().data().toString()); 0138 } 0139 0140 void SpacesDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const 0141 { 0142 if (!index.isValid()) 0143 return ; 0144 0145 m_currentEditingIndex = QModelIndex(); 0146 m_isEditing = false; 0147 0148 static_cast<SpacesFilterProxyModel*>(model)->sourceModel()->setData(index, static_cast<LineEdit*>(editor)->text()); 0149 } 0150 0151 QSize SpacesDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const 0152 { 0153 Q_UNUSED(option); 0154 Q_UNUSED(index); 0155 0156 QSize size; 0157 0158 size.setWidth(PreviewWidth+2*ItemMargin); 0159 size.setHeight(PreviewHeight+4*option.fontMetrics.height()+2*ItemMargin); // up to 6 lines of text, and two margins 0160 return size; 0161 } 0162 0163 void SpacesDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const 0164 { 0165 if (!index.isValid() || !m_itemView->model()) return QStyledItemDelegate::paint(painter, option, index); 0166 0167 painter->save(); 0168 0169 if (option.state & QStyle::State_Selected) 0170 { 0171 //focus 0172 QStyle *style = QApplication::style(); 0173 style->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, nullptr); 0174 //endfocus 0175 0176 painter->setPen(QPen(option.palette.highlightedText().color())); 0177 } 0178 else 0179 painter->setPen(QPen(option.palette.text().color())); 0180 0181 painter->drawPixmap(option.rect.topLeft()+QPoint(ItemMargin,ItemMargin), index.data(Qt::DecorationRole).value<QPixmap>()); 0182 0183 QString text = painter->fontMetrics().elidedText(index.data().toString(), Qt::ElideRight, option.rect.width(), Qt::TextSingleLine); 0184 0185 QFont p = painter->font(); 0186 p.setBold(true); 0187 painter->setFont(p); 0188 painter->drawText(option.rect.topLeft()+QPoint((option.rect.width() - painter->fontMetrics().width(text))/2, 0189 PreviewHeight + 3.8*ItemMargin + FrameThickness*2), text); 0190 0191 painter->restore(); 0192 } 0193 0194 bool SpacesDelegate::eventFilter(QObject *watched, QEvent *event) 0195 { 0196 if (m_itemView->model()) 0197 { 0198 if (event->type() == QEvent::MouseMove) 0199 { 0200 QMouseEvent *e = static_cast<QMouseEvent*>(event); 0201 0202 m_currentCurPos = e->pos(); 0203 QModelIndex index = m_itemView->indexAt(e->pos()); 0204 0205 if (!index.isValid() && !m_isEditing) 0206 { 0207 if (m_operationBar && m_titleEditor && !m_itemView->currentIndex().isValid() 0208 && m_itemView->currentIndex() != m_currentEditingIndex ) 0209 { 0210 m_operationBar->hide(); 0211 m_titleEditor->hide(); 0212 } 0213 0214 // m_itemView->setCurrentIndex(QModelIndex()); 0215 } 0216 else 0217 if (index.isValid()) 0218 { 0219 //NOTE es importante que el viewport tenga el foco para que funcione correctamte la seleccion de items con el movimieto del mouse 0220 if (m_currentEditingIndex != index && !m_isEditing) 0221 m_itemView->viewport()->setFocus(); 0222 0223 setCurrentSpace(index); 0224 } 0225 0226 return true; 0227 } 0228 else if (event->type() == QEvent::MouseButtonPress) 0229 { 0230 0231 QMouseEvent *e = static_cast<QMouseEvent*>(event); 0232 0233 QModelIndex index = m_itemView->indexAt(e->pos()); 0234 0235 if (!index.isValid()) 0236 { 0237 m_itemView->setCurrentIndex(QModelIndex()); 0238 0239 m_isEditing = false; 0240 0241 if (m_operationBar && m_titleEditor) 0242 { 0243 m_operationBar->hide(); 0244 m_titleEditor->hide(); 0245 m_titleEditor->clear(); 0246 } 0247 } 0248 else 0249 { 0250 invalidClick(index); 0251 } 0252 0253 return true; 0254 } 0255 else if (event->type() == QEvent::MouseButtonDblClick) 0256 { 0257 QMouseEvent *e = static_cast<QMouseEvent*>(event); 0258 0259 QModelIndex index = m_itemView->indexAt(e->pos()); 0260 0261 if (index.isValid()) 0262 emit showSpace(index); 0263 } 0264 } 0265 0266 return QStyledItemDelegate::eventFilter(watched, event); 0267 } 0268 0269 void SpacesDelegate::setCurrentSpace(const QModelIndex& index) 0270 { 0271 if (m_isEditing) 0272 return; 0273 0274 m_itemView->setCurrentIndex(index); 0275 0276 updateOperationBarPos(index); 0277 0278 if (m_operationBar && m_titleEditor) 0279 m_operationBar->show(); 0280 } 0281 0282 void SpacesDelegate::editCurrentSpace() 0283 { 0284 if (!m_itemView->currentIndex().isValid()) 0285 return; 0286 0287 m_currentEditingIndex = m_itemView->currentIndex(); 0288 0289 m_isEditing = true; 0290 0291 QRect rect = m_itemView->visualRect(m_itemView->currentIndex()); 0292 0293 m_titleEditor->setText(m_itemView->currentIndex().data().toString()); 0294 m_titleEditor->resize(rect.width(), m_titleEditor->height()); 0295 m_titleEditor->move(rect.left()/*+(PreviewWidth-m_operationBar->width())/2*/,rect.top() + rect.height() - m_operationBar->height() - .8*m_titleEditor->height()); 0296 m_titleEditor->selectAll(); 0297 m_titleEditor->setFocus(); 0298 m_titleEditor->show(); 0299 } 0300 0301 void SpacesDelegate::removeCurrentSpace() 0302 { 0303 if (!m_itemView->currentIndex().isValid()) 0304 return; 0305 0306 m_document->removeSpace(m_itemView->currentIndex().row()); 0307 0308 m_isEditing = false; 0309 0310 m_operationBar->hide(); 0311 m_titleEditor->hide(); 0312 0313 filterEvent(); 0314 } 0315 0316 void SpacesDelegate::setDocument(DataStore *doc) 0317 { 0318 Q_ASSERT(doc); 0319 0320 m_document=doc; 0321 } 0322 0323 void SpacesDelegate::hideOperatorBar() 0324 { 0325 m_operationBar->hide(); 0326 } 0327 0328 void SpacesDelegate::finishEditingTitle(const QString &newtitle ) 0329 { 0330 if (!m_itemView->currentIndex().isValid()) 0331 return; 0332 0333 m_isEditing = false; 0334 0335 m_itemView->model()->setData(m_itemView->currentIndex(), m_titleEditor->text()); 0336 0337 m_titleEditor->hide(); 0338 0339 QModelIndex posi = m_itemView->indexAt(m_currentCurPos); 0340 0341 if (posi.isValid()) 0342 { 0343 if (posi != m_currentEditingIndex) 0344 setCurrentSpace(posi); 0345 } 0346 else 0347 { 0348 m_operationBar->hide(); 0349 } 0350 } 0351 0352 void SpacesDelegate::invalidClick(const QModelIndex& index) 0353 { 0354 if (index != m_currentEditingIndex) 0355 { 0356 m_isEditing = false; 0357 if (m_operationBar && m_titleEditor) 0358 { 0359 m_titleEditor->hide(); 0360 m_titleEditor->clear(); 0361 0362 } 0363 0364 setCurrentSpace(index); 0365 } 0366 } 0367 0368 // this will be call always from aoutside of this class 0369 void SpacesDelegate::filterEvent() 0370 { 0371 m_isEditing = false; 0372 0373 if (m_operationBar) 0374 m_operationBar->hide(); 0375 0376 if (m_titleEditor) 0377 { 0378 m_titleEditor->clear(); 0379 m_titleEditor->hide(); 0380 } 0381 0382 m_itemView->clearSelection(); 0383 m_itemView->setCurrentIndex(QModelIndex()); 0384 0385 setCurrentSpace(QModelIndex()); 0386 invalidClick(QModelIndex()); 0387 } 0388 0389 void SpacesDelegate::updateOperationBarPos(const QModelIndex& index) 0390 { 0391 if (m_operationBar && m_titleEditor) 0392 { 0393 QRect rect = m_itemView->visualRect(index); 0394 0395 m_operationBar->move(rect.left()+(PreviewWidth-m_operationBar->width())/2,rect.top() + rect.height() - m_operationBar->height()); 0396 } 0397 } 0398 0399 ///The view 0400 0401 SpacesView::SpacesView(QWidget* parent): QListView(parent) 0402 { 0403 setAlternatingRowColors(true); 0404 setViewMode(IconMode); 0405 setUniformItemSizes(true); 0406 setEditTriggers(NoEditTriggers); 0407 setFlow(LeftToRight); 0408 setWrapping(true); 0409 setResizeMode(Adjust); 0410 setSelectionRectVisible(true); 0411 setVerticalScrollMode(ScrollPerPixel); 0412 setHorizontalScrollMode(ScrollPerPixel); 0413 setMouseTracking(true); 0414 setSelectionMode(QListView::SingleSelection); 0415 setSelectionBehavior(QAbstractItemView::SelectItems); 0416 } 0417 0418 void SpacesView::resizeEvent(QResizeEvent* e) 0419 { 0420 static_cast<SpacesDelegate*>(itemDelegate())->updateOperationBarPos(currentIndex()); 0421 0422 QListView::resizeEvent(e); 0423 } 0424 0425 #include "moc_spacesdelegate.cpp"