mirror of
https://github.com/fralx/LimeReport.git
synced 2024-12-24 08:34:38 +03:00
203 lines
8.8 KiB
C++
203 lines
8.8 KiB
C++
/***************************************************************************
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* This file is part of the Lime Report project *
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* Copyright (C) 2021 by Alexander Arin *
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* arin_a@bk.ru *
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* *
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** GNU General Public License Usage **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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** GNU Lesser General Public License **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library. *
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* If not, see <http://www.gnu.org/licenses/>. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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****************************************************************************/
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#include "lrpropertydelegate.h"
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#include "lrglobal.h"
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#include "lrobjectinspectorwidget.h"
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#include "lrobjectitemmodel.h"
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#include <QApplication>
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#include <QLineEdit>
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#include <QPainter>
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LimeReport::PropertyDelegate::PropertyDelegate(QObject* parent):
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QStyledItemDelegate(parent),
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m_objectInspector(NULL),
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m_editingItem(0),
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m_isEditing(false)
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{
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}
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void LimeReport::PropertyDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
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const QModelIndex& index) const
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{
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if (!index.isValid())
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return;
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#if QT_VERSION >= 0x050000
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QStyleOptionViewItem opt = option;
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#else
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QStyleOptionViewItemV4 opt = option;
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#endif
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QStyle* style = opt.widget ? opt.widget->style() : QApplication::style();
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LimeReport::ObjectPropItem* node
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= qvariant_cast<LimeReport::ObjectPropItem*>(index.data(Qt::UserRole));
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if (node) {
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if (!node->isHaveValue()) {
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if (index.column() == 0) {
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StyleOptionViewItem cellOpt = option;
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QTreeView const* tree = dynamic_cast<const QTreeView*>(cellOpt.widget);
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QStyleOptionViewItem primitiveOpt = cellOpt;
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primitiveOpt.rect.setWidth(tree->indentation());
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painter->save();
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painter->setPen(option.palette.color(QPalette::HighlightedText));
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painter->setBackground(QBrush(option.palette.color(QPalette::Highlight)));
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cellOpt.widget->style()->drawPrimitive(QStyle::PE_IndicatorBranch, &primitiveOpt,
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painter);
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cellOpt.rect.adjust(primitiveOpt.rect.width(), 0, 0, 0);
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cellOpt.font.setBold(true);
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cellOpt.palette.setColor(QPalette::Text,
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cellOpt.palette.color(QPalette::BrightText));
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cellOpt.text = LimeReport::extractClassName(node->propertyName());
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style->drawControl(QStyle::CE_ItemViewItem, &cellOpt, painter, cellOpt.widget);
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painter->restore();
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}
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} else {
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StyleOptionViewItem so = option;
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if ((node->isValueReadonly()) && (!node->isHaveChildren())) {
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so.palette.setColor(QPalette::Text, so.palette.color(QPalette::Dark));
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}
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QColor backgroundColor = (so.features & StyleOptionViewItem::Alternate)
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? so.palette.alternateBase().color()
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: so.palette.base().color();
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qreal luma = 0.2126 * backgroundColor.red() + 0.7152 * backgroundColor.green()
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+ 0.0722 * backgroundColor.blue();
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if (luma < 128)
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so.palette.setColor(QPalette::Text, Qt::white);
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else
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so.palette.setColor(QPalette::Text, Qt::black);
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opt.text = "";
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opt.rect.setHeight(opt.rect.height() - 1);
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style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
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if (!node->paint(painter, so, index)) {
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so.state &= ~QStyle::State_HasFocus;
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so.rect.adjust(0, 0, 0, -1);
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QStyledItemDelegate::paint(painter, so, index);
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}
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if (index.column() == 0) {
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QPointF start(option.rect.x() + option.rect.width() - 1, option.rect.y());
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QPointF end(option.rect.x() + option.rect.width() - 1,
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option.rect.y() + option.rect.height());
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painter->save();
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QColor color = static_cast<QRgb>(
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QApplication::style()->styleHint(QStyle::SH_Table_GridLineColor, &option));
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painter->setPen(color);
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painter->drawLine(start, end);
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painter->restore();
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}
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}
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}
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}
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QSize LimeReport::PropertyDelegate::sizeHint(const QStyleOptionViewItem& option,
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const QModelIndex& index) const
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{
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QSize size = option.rect.size();
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size.setHeight(option.fontMetrics.height()
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+ QApplication::style()->pixelMetric(QStyle::PM_ButtonMargin)
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#ifdef Q_OS_MAC
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+ QApplication::style()->pixelMetric(QStyle::PM_FocusFrameVMargin)
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#endif
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+ 4);
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// return size;
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QSize defaultSize = QStyledItemDelegate::sizeHint(option, index);
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return size.height() > defaultSize.height() ? size : defaultSize;
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}
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QWidget* LimeReport::PropertyDelegate::createEditor(QWidget* parent,
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const QStyleOptionViewItem& option,
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const QModelIndex& index) const
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{
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m_editingItem = qvariant_cast<LimeReport::ObjectPropItem*>(index.data(Qt::UserRole));
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connect(m_editingItem, SIGNAL(destroyed(QObject*)), this, SLOT(slotItemDeleted(QObject*)));
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QWidget* editor = m_editingItem->createProperyEditor(parent);
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if (editor) {
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m_isEditing = true;
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editor->setMaximumHeight(option.rect.height() - 1);
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editor->setGeometry(option.rect);
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if (editor->metaObject()->indexOfSignal("editingFinished()") != -1)
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connect(editor, SIGNAL(editingFinished()), this, SLOT(commitAndCloseEditor()));
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connect(editor, SIGNAL(destroyed()), this, SLOT(slotEditorDeleted()));
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}
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return editor;
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}
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void LimeReport::PropertyDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
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{
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if (m_editingItem)
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m_editingItem->setPropertyEditorData(editor, index);
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}
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void LimeReport::PropertyDelegate::commitAndCloseEditor()
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{
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QWidget* editor = qobject_cast<QWidget*>(sender());
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emit commitData(editor);
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emit closeEditor(editor);
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}
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void LimeReport::PropertyDelegate::setModelData(QWidget* editor, QAbstractItemModel* model,
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const QModelIndex& index) const
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{
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if (m_editingItem)
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m_editingItem->setModelData(editor, model, index);
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}
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void LimeReport::PropertyDelegate::updateEditorGeometry(QWidget* editor,
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const QStyleOptionViewItem& option,
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const QModelIndex& index) const
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{
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if (m_editingItem)
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m_editingItem->updateEditorGeometry(editor, option, index);
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}
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void LimeReport::PropertyDelegate::setObjectInspector(ObjectInspectorTreeView* objectInspector)
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{
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m_objectInspector = objectInspector;
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}
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void LimeReport::PropertyDelegate::slotEditorDeleted() { m_isEditing = false; }
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void LimeReport::PropertyDelegate::slotItemDeleted(QObject* item)
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{
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if (item == m_editingItem)
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m_editingItem = 0;
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}
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LimeReport::ObjectPropItem* LimeReport::PropertyDelegate::editingItem() { return m_editingItem; }
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