| [qet] [3407] Simple element : Comment is show at the bottom of diagram inside a rounded rectangle. |
[ Thread Index |
Date Index
| More lists.tuxfamily.org/qet Archives
]
Revision: 3407
Author: blacksun
Date: 2014-10-27 20:37:04 +0100 (Mon, 27 Oct 2014)
Log Message:
-----------
Simple element : Comment is show at the bottom of diagram inside a rounded rectangle.
Modified Paths:
--------------
trunk/sources/qetgraphicsitem/simpleelement.cpp
trunk/sources/qetgraphicsitem/simpleelement.h
Added Paths:
-----------
trunk/sources/qetgraphicsitem/commentitem.cpp
trunk/sources/qetgraphicsitem/commentitem.h
Added: trunk/sources/qetgraphicsitem/commentitem.cpp
===================================================================
--- trunk/sources/qetgraphicsitem/commentitem.cpp (rev 0)
+++ trunk/sources/qetgraphicsitem/commentitem.cpp 2014-10-27 19:37:04 UTC (rev 3407)
@@ -0,0 +1,113 @@
+/*
+ Copyright 2006-2014 The QElectroTech Team
+ This file is part of QElectroTech.
+
+ QElectroTech is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ QElectroTech is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "commentitem.h"
+#include "element.h"
+#include "qetapp.h"
+#include "diagram.h"
+#include <QPainter>
+
+/**
+ * @brief CommentItem::CommentItem
+ * @param elmt : the element to display comment,
+ * element is also the parent item of this item
+ */
+CommentItem::CommentItem(Element *elmt) :
+ QGraphicsObject(elmt),
+ m_element (elmt)
+{
+ updateLabel();
+ connect(elmt, SIGNAL(yChanged()), this, SLOT (autoPos()));
+ connect(elmt, SIGNAL(rotationChanged()), this, SLOT (autoPos()));
+ connect(elmt, SIGNAL(elementInfoChange(DiagramContext)), this, SLOT (updateLabel()));
+}
+
+/**
+ * @brief CommentItem::boundingRect
+ * @return the bounding rect of this item
+ */
+QRectF CommentItem::boundingRect() const {
+ return m_bounding_rect;
+}
+
+/**
+ * @brief CommentItem::autoPos
+ * Adjust the position of this item.
+ */
+void CommentItem::autoPos() {
+ if(!m_element -> diagram()) return;
+
+ QRectF border = m_element -> diagram() -> border();
+ QPointF point = m_element -> sceneBoundingRect().center();
+
+ point.setY(border.height() - m_element -> diagram() -> border_and_titleblock.titleBlockHeight() - boundingRect().height());
+ point.rx() -= (m_bounding_rect.width()/2 + m_bounding_rect.left()); //< we add boundingrect.left because this value can be négative
+
+ setPos(0,0); //Due to a weird behavior or bug, before set the new position and rotation,
+ setRotation(0); //we must to set the position and rotation at 0.
+ setPos(mapFromScene(point));
+ if (rotation() != - m_element -> rotation()) {
+ setRotation(0);
+ setRotation(- m_element -> rotation());
+ }
+}
+
+/**
+ * @brief CommentItem::paint
+ * Paint this item
+ * @param painter
+ * @param option
+ * @param widget
+ */
+void CommentItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+ m_picture.play(painter);
+}
+
+/**
+ * @brief CommentItem::updateLabel
+ * update the content of this item
+ * (draw this item in a QPicture)
+ */
+void CommentItem::updateLabel() {
+ QString comment = m_element -> elementInformations()["comment"].toString();
+ bool show = m_element -> elementInformations().keyMustShow("comment");
+
+ if (comment == m_comment && show == m_show) return;
+
+ m_comment = comment;
+ m_show = show;
+
+ QPen pen(Qt::black);
+ pen.setWidthF (0.5);
+
+ QPainter painter(&m_picture);
+ painter.setPen (pen);
+ painter.setFont (QETApp::diagramTextsFont(6));
+
+ QRectF drawing_rect(QPointF(0,0), QSizeF(100, 100));
+ QRectF text_bounding;
+
+ painter.drawText(drawing_rect, Qt::TextWordWrap | Qt::AlignHCenter, m_comment, &text_bounding);
+
+ text_bounding.adjust(-1,0,1,0); //adjust only for better visual
+ painter.drawRoundedRect(text_bounding, 2, 2);
+
+ m_bounding_rect = text_bounding;
+
+ autoPos();
+}
Added: trunk/sources/qetgraphicsitem/commentitem.h
===================================================================
--- trunk/sources/qetgraphicsitem/commentitem.h (rev 0)
+++ trunk/sources/qetgraphicsitem/commentitem.h 2014-10-27 19:37:04 UTC (rev 3407)
@@ -0,0 +1,57 @@
+/*
+ Copyright 2006-2014 The QElectroTech Team
+ This file is part of QElectroTech.
+
+ QElectroTech is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ QElectroTech is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef COMMENTITEM_H
+#define COMMENTITEM_H
+
+#include <QGraphicsObject>
+#include <QPicture>
+
+class Element;
+
+/**
+ * @brief The CommentItem class
+ * This item display the comment of an element
+ * at the bottom of element diagram in a rounded rect
+ */
+class CommentItem : public QGraphicsObject
+{
+ Q_OBJECT
+ public:
+ explicit CommentItem(Element *elmt);
+
+ virtual QRectF boundingRect() const;
+
+ signals:
+
+ public slots:
+ void autoPos();
+ void updateLabel();
+
+ protected:
+ virtual void paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+
+ private:
+ Element *m_element;
+ QPicture m_picture;
+ QRectF m_bounding_rect;
+ QString m_comment;
+ bool m_show;
+
+};
+
+#endif // COMMENTITEM_H
Modified: trunk/sources/qetgraphicsitem/simpleelement.cpp
===================================================================
--- trunk/sources/qetgraphicsitem/simpleelement.cpp 2014-10-27 18:57:53 UTC (rev 3406)
+++ trunk/sources/qetgraphicsitem/simpleelement.cpp 2014-10-27 19:37:04 UTC (rev 3407)
@@ -16,6 +16,7 @@
along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#include "simpleelement.h"
+#include "commentitem.h"
/**
* @brief SimpleElement::SimpleElement
* @param location
@@ -24,7 +25,8 @@
* @param state
*/
SimpleElement::SimpleElement(const ElementsLocation &location, QGraphicsItem *qgi, Diagram *s, int *state) :
- CustomElement(location, qgi, s, state)
+ CustomElement(location, qgi, s, state),
+ m_comment_item (nullptr)
{
link_type_ = Simple;
connect(this, SIGNAL(elementInfoChange(DiagramContext)), this, SLOT(updateLabel()));
@@ -35,13 +37,20 @@
*/
SimpleElement::~SimpleElement() {
disconnect(this, SIGNAL(elementInfoChange(DiagramContext)), this, SLOT(updateLabel()));
+ if (m_comment_item) delete m_comment_item;
}
+void SimpleElement::initLink(QETProject *project) {
+ CustomElement::initLink(project);
+ updateLabel();
+}
+
/**
* @brief SimpleElement::updateLabel
* update label of this element
*/
void SimpleElement::updateLabel() {
+ //Label of element
QString label = elementInformations()["label"].toString();
bool show = elementInformations().keyMustShow("label");
@@ -49,4 +58,16 @@
(label.isEmpty() || !show)?
setTaggedText("label", "_", false):
setTaggedText("label", label, true);
+
+ //Comment of element
+ QString comment = elementInformations()["comment"].toString();
+ bool must_show = elementInformations().keyMustShow("comment");
+
+ if (!(comment.isEmpty() || !must_show) && !m_comment_item) {
+ m_comment_item = new CommentItem(this);
+ }
+ else if ((comment.isEmpty() || !must_show) && m_comment_item) {
+ delete m_comment_item;
+ m_comment_item = nullptr;
+ }
}
Modified: trunk/sources/qetgraphicsitem/simpleelement.h
===================================================================
--- trunk/sources/qetgraphicsitem/simpleelement.h 2014-10-27 18:57:53 UTC (rev 3406)
+++ trunk/sources/qetgraphicsitem/simpleelement.h 2014-10-27 19:37:04 UTC (rev 3407)
@@ -20,6 +20,9 @@
#include "customelement.h"
+class CommentItem;
+class QETProject;
+
/**
* @brief The SimpleElement class
*this class represente a simple element with no specific attribute
@@ -32,11 +35,16 @@
explicit SimpleElement(const ElementsLocation &, QGraphicsItem * = 0, Diagram * = 0, int * = 0);
~SimpleElement();
+ virtual void initLink(QETProject *project);
+
signals:
public slots:
void updateLabel();
+ private:
+ CommentItem *m_comment_item;
+
};
#endif // SIMPLEELEMENT_H