2017-03-12 23:26:04 +01:00
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2017 Matthias Koefferlein
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "laySaltManagerDialog.h"
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2017-03-18 00:22:45 +01:00
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#include "laySalt.h"
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#include "tlString.h"
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#include <QAbstractItemModel>
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#include <QAbstractTextDocumentLayout>
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#include <QStyledItemDelegate>
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#include <QTextDocument>
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#include <QPainter>
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#include <QDir>
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2017-03-18 22:36:33 +01:00
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#include <QTextStream>
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#include <QBuffer>
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2017-03-12 23:26:04 +01:00
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namespace lay
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{
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2017-03-18 22:36:33 +01:00
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// --------------------------------------------------------------------------------------
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/**
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* @brief A model representing the salt grains for a QListView
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*/
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2017-03-18 00:22:45 +01:00
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class SaltModel
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: public QAbstractItemModel
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{
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public:
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SaltModel (QObject *parent, lay::Salt *salt)
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: QAbstractItemModel (parent), mp_salt (salt)
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{
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// .. nothing yet ..
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}
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QVariant data (const QModelIndex &index, int role) const
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{
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if (role == Qt::DisplayRole) {
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const lay::SaltGrain *g = mp_salt->begin_flat ()[index.row ()];
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std::string text = "<html><body>";
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text += "<h4>";
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text += tl::escaped_to_html (g->name ());
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if (!g->version ().empty ()) {
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text += " ";
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text += tl::escaped_to_html (g->version ());
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}
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if (!g->title ().empty ()) {
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text += " - ";
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text += tl::escaped_to_html (g->title ());
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}
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text += "</h4>";
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if (!g->doc ().empty ()) {
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text += "<p>";
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text += tl::escaped_to_html (g->doc ());
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text += "</p>";
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}
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text += "</body></html>";
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return tl::to_qstring (text);
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2017-03-18 22:36:33 +01:00
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} else if (role == Qt::DecorationRole) {
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2017-03-19 00:42:09 +01:00
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const lay::SaltGrain *g = mp_salt->begin_flat ()[index.row ()];
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if (g->icon ().isNull ()) {
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return QIcon (":/salt_icon.png");
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} else {
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QPixmap px = QPixmap::fromImage (g->icon ());
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if (px.width () == 64) {
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return px;
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} else {
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return px.scaled (QSize (64, 64), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
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}
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}
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2017-03-18 22:36:33 +01:00
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2017-03-18 00:22:45 +01:00
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} else {
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return QVariant ();
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}
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}
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QModelIndex index (int row, int column, const QModelIndex &parent) const
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{
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if (parent.isValid ()) {
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return QModelIndex ();
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} else {
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2017-03-18 22:36:33 +01:00
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return createIndex (row, column, mp_salt->begin_flat () [row]);
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2017-03-18 00:22:45 +01:00
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}
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}
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QModelIndex parent (const QModelIndex & /*index*/) const
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{
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return QModelIndex ();
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}
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int columnCount(const QModelIndex & /*parent*/) const
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{
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return 1;
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}
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int rowCount (const QModelIndex &parent) const
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{
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if (parent.isValid ()) {
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return 0;
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} else {
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return mp_salt->end_flat () - mp_salt->begin_flat ();
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}
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}
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2017-03-18 22:36:33 +01:00
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SaltGrain *grain_from_index (const QModelIndex &index) const
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{
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if (index.isValid ()) {
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return static_cast<SaltGrain *> (index.internalPointer ());
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} else {
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return 0;
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}
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}
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void update ()
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{
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// @@@
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}
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2017-03-18 00:22:45 +01:00
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public:
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lay::Salt *mp_salt;
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};
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2017-03-18 22:36:33 +01:00
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// --------------------------------------------------------------------------------------
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/**
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* @brief A delegate displaying the summary of a grain
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*/
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class SaltItemDelegate
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: public QStyledItemDelegate
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{
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public:
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SaltItemDelegate (QObject *parent)
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: QStyledItemDelegate (parent)
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{
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// .. nothing yet ..
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}
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void paint (QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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QStyleOptionViewItemV4 optionV4 = option;
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initStyleOption (&optionV4, index);
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QStyle *style = optionV4.widget ? optionV4.widget->style () : QApplication::style ();
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QTextDocument doc;
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doc.setHtml (optionV4.text);
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optionV4.text = QString ();
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style->drawControl (QStyle::CE_ItemViewItem, &optionV4, painter);
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QAbstractTextDocumentLayout::PaintContext ctx;
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if (optionV4.state & QStyle::State_Selected) {
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ctx.palette.setColor (QPalette::Text, optionV4.palette.color (QPalette::Active, QPalette::HighlightedText));
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}
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QRect textRect = style->subElementRect (QStyle::SE_ItemViewItemText, &optionV4);
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painter->save ();
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painter->translate (textRect.topLeft ());
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painter->setClipRect (textRect.translated (-textRect.topLeft ()));
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doc.documentLayout()->draw (painter, ctx);
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painter->restore ();
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}
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QSize sizeHint (const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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const int textWidth = 500;
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QStyleOptionViewItemV4 optionV4 = option;
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initStyleOption (&optionV4, index);
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2017-03-18 22:36:33 +01:00
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const QListView *view = dynamic_cast<const QListView *> (optionV4.widget);
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QSize icon_size (0, 0);
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if (view) {
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icon_size = view->iconSize ();
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}
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2017-03-18 00:22:45 +01:00
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QTextDocument doc;
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doc.setHtml (optionV4.text);
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doc.setTextWidth (textWidth);
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return QSize (textWidth + icon_size.width () + 6, std::max (icon_size.height () + 12, int (doc.size ().height ())));
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2017-03-18 00:22:45 +01:00
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}
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};
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2017-03-18 22:36:33 +01:00
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// --------------------------------------------------------------------------------------
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// SaltManager implementation
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2017-03-18 00:22:45 +01:00
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// @@@
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lay::Salt salt;
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static bool salt_initialized = false;
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void make_salt ()
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{
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if (!salt_initialized) {
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salt_initialized = true;
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salt.add_location (tl::to_string (QDir::homePath () + QString::fromUtf8("/.klayout/salt")));
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}
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}
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// @@@
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2017-03-12 23:26:04 +01:00
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SaltManagerDialog::SaltManagerDialog (QWidget *parent)
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: QDialog (parent),
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m_current_changed_enabled (true)
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2017-03-12 23:26:04 +01:00
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{
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Ui::SaltManagerDialog::setupUi (this);
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2017-03-18 22:36:33 +01:00
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// @@@
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salt = lay::Salt (); salt_initialized = false;
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make_salt ();
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mp_salt = &salt;
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// @@@
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SaltModel *model = new SaltModel (this, mp_salt);
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salt_view->setModel (model);
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2017-03-18 00:22:45 +01:00
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salt_view->setItemDelegate (new SaltItemDelegate (this));
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2017-03-18 22:36:33 +01:00
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connect (mp_salt, SIGNAL (collections_changed ()), this, SLOT (salt_changed ()));
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// select the first grain
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if (model->rowCount (QModelIndex ()) > 0) {
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salt_view->setCurrentIndex (model->index (0, 0, QModelIndex ()));
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}
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salt_changed ();
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connect (salt_view->selectionModel (), SIGNAL (currentChanged (const QModelIndex &, const QModelIndex &)), this, SLOT (current_changed ()));
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2017-03-12 23:26:04 +01:00
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// ...
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}
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2017-03-18 22:36:33 +01:00
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void
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SaltManagerDialog::salt_changed ()
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{
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SaltModel *model = dynamic_cast <SaltModel *> (salt_view->model ());
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if (! model) {
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return;
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}
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m_current_changed_enabled = false;
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model->update ();
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m_current_changed_enabled = true;
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if (mp_salt->is_empty ()) {
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list_stack->setCurrentIndex (1);
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details_frame->hide ();
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} else {
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list_stack->setCurrentIndex (0);
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details_frame->show ();
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}
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current_changed ();
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}
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void
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SaltManagerDialog::current_changed ()
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{
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SaltModel *model = dynamic_cast <SaltModel *> (salt_view->model ());
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if (! model) {
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return;
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}
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SaltGrain *g = model->grain_from_index (salt_view->currentIndex ());
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details_text->set_grain (g);
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if (!g) {
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details_frame->setEnabled (false);
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delete_button->setEnabled (false);
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} else {
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details_frame->setEnabled (true);
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delete_button->setEnabled (true);
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}
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}
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2017-03-12 23:26:04 +01:00
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}
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