Initial commit.

[jspeed] / src / textelement.cpp

diff --git a/src/textelement.cpp b/src/textelement.cpp
new file mode 100644 (file)
index 0000000..92bf7fa
--- /dev/null
+++ b/src/textelement.cpp
@@ -0,0 +1,211 @@
+/*
+ * This file is part of jSpeed.
+ *
+ * jSpeed 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * jSpeed 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 jSpeed.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <QtCore/QString>
+#include <QtCore/QDebug>
+#include <QtGui/QGraphicsScene>
+#include <QtGui/QGraphicsTextItem>
+#include "reader.h"
+#include "textelement.h"
+#include "odometer.h"
+#include "graphicsscene.h"
+#include "location.h"
+
+namespace
+{
+    const GraphicsElement::AttributeDetails ATTRIBUTES[TextElement::ATTRIBUTE_COUNT] =
+    {
+     {"xpos", true},
+     {"ypos", true},
+     {"data", false},
+     {"format", false},
+     {"width", true},
+     {"align", false},
+     {"color", false},
+     {"size", true},
+     {"font", false}
+    };
+}
+
+TextElement::TextElement(Reader* reader): GraphicsElement(reader),
+data_(""), format_(""), align_("left"), fontSize_(16), hasSpecialField_(false)
+{
+    element_ = new QGraphicsTextItem();
+}
+
+bool TextElement::setAttribute(QString const& name, QString const& value)
+{
+    int intVal = 0;
+    int attrId = -1;
+
+    if((attrId = getAttribute(name, value, ATTRIBUTES, ATTRIBUTE_COUNT, intVal)) != -1)
+    {
+        Attribute attr = static_cast<Attribute>(attrId);
+
+        bool fontChanged = false;
+
+        switch(attr)
+        {
+        case XPOS:
+            element_->setX(intVal);
+            break;
+        case YPOS:
+            element_->setY(intVal);
+            break;
+        case DATA:
+            data_ = value;
+            break;
+        case FORMAT:
+            format_ = value;
+            break;
+        case WIDTH:
+            element_->setTextWidth(intVal);
+            break;
+        case ALIGN:
+            align_ = value;
+            break;
+        case COLOR:
+            element_->setDefaultTextColor(QColor(value));
+            break;
+        case SIZE:
+            fontSize_ = intVal;
+            fontChanged = true;
+            break;
+        case FONT:
+            fontFile_ = value;
+            fontChanged = true;
+            break;
+        default:
+            qDebug() << "Unknown attribute: " << attr;
+            return false;
+        }
+
+        if(fontChanged)
+        {
+            if(!fontFile_.isEmpty())
+            {
+                QFont font;
+
+                if(getFont(fontFile_, font))
+                {
+                    font.setPointSize(fontSize_);
+                    element_->setFont(font);
+                }
+                else
+                {
+                    return false;
+                }
+            }
+            else
+            {
+                element_->setFont(QFont("Default", fontSize_));
+            }
+        }
+
+        return true;
+
+    }
+    else
+    {
+        return false;
+    }
+}
+
+void TextElement::addToScene(GraphicsScene* scene)
+{
+    Location::Fix fix;
+
+    QString replaced = data_;
+
+    hasSpecialField_ = replaceSpecialField(replaced);
+
+    updateHtml(replaced);
+
+    scene->addItem(element_);
+}
+
+void TextElement::update()
+{
+    if(!hasSpecialField_)
+    {
+        return;
+    }
+
+    QString replaced = data_;
+    replaceSpecialField(replaced);
+
+    updateHtml(replaced);
+}
+
+void TextElement::updateHtml(QString const& data)
+{
+    element_->setHtml("<div align='"+align_+"'>"+data+"</div>");
+}
+
+bool TextElement::replaceSpecialField(QString& value)
+{
+    bool found = false;
+
+    if(value.indexOf("{TRIP}") != -1)
+    {
+        value = value.replace("{TRIP}", formatString(Odometer::instance().getTrip()));
+        found = true;
+    }
+
+    if(value.indexOf("{TOTAL}") != -1)
+    {
+        value = value.replace("{TOTAL}", formatString(Odometer::instance().getTotal()));
+        found = true;
+    }
+
+    if(value.indexOf("{SPEED}") != -1)
+    {
+        value = value.replace("{SPEED}", formatString(Odometer::instance().getLatestFix().speed));
+        found = true;
+    }
+
+    if(value.indexOf("{SPEED_UNIT}") != -1)
+    {
+        value = value.replace("{SPEED_UNIT}", Odometer::getSpeedUnit());
+        found = true;
+    }
+
+    if(value.indexOf("{UNIT}") != -1)
+    {
+        value = value.replace("{UNIT}", Odometer::getUnit());
+        found = true;
+    }
+
+    return found;
+
+}
+
+QString TextElement::formatString(double val)
+{
+    QString format = format_;
+
+    if(format.isEmpty())
+    {
+        format = "%.1lf";
+    }
+
+    QString result;
+    result.sprintf(format.toLatin1().data(), val);
+
+    return result;
+}