Features 3030

libdap-qt-ui-qml.qrc

@@ -22,6 +22,8 @@
         <file>widgets/DapRadioButtonForm.ui.qml</file>
         <file>widgets/DapScrollView.qml</file>
         <file>widgets/DapScrollViewForm.ui.qml</file>
+        <file>widgets/DapText.qml</file>
+        <file>widgets/DapTextForm.ui.qml</file>
         <file>widgets/DapScrollViewHandling.qml</file>
     </qresource>
 </RCC>

widgets/DapText.qml

+import QtQuick 2.4
+
+DapTextForm 
+{
+    onTextChanged:
+    {
+        elidedText = (width > 2) ? elideByWidth(width) : (maxSymbolCapacity > 2) ? elideByCapacity(maxSymbolCapacity) : text
+        width = _metrics.boundingRect(elidedText).width
+        height = _metrics.boundingRect(elidedText).height
+    }
+
+    // "Copy Button" handler
+    function copy()
+    {
+        _fullText.selectAll()
+        _fullText.copy()
+    }
+
+    // Elides text by number of symbols
+    function elideByCapacity(maxSymbols)
+    {
+        var res = ""
+        if (text.length > maxSymbols)
+        {
+            switch (elide)
+            {
+            case Qt.ElideLeft:
+                res = ".." + text.slice(-maxSymbols, text.length-1)
+                break
+            case Qt.ElideMiddle:
+                res = text.slice(0, Math.floor(maxSymbols/2)) + ".." + text.slice(Math.floor(maxSymbols/2) + 1, text.length-1)
+                break
+            case Qt.ElideRight:
+                res = text.slice(0, maxSymbols) + ".."
+                break
+            default:
+                res = text
+                break
+            }
+        }
+        else
+        {
+            res = text
+        }
+        return res
+    }
+
+    // Elides text by width
+    function elideByWidth(maxWidth)
+    {
+        if (_metrics.advanceWidth(text) > maxWidth)
+        {
+            var symbolsNum = (maxWidth / _metrics.averageCharacterWidth)
+            return elideByCapacity(Math.floor(symbolsNum))
+        }
+        else
+        {
+            return text
+        }
+    }
+}

widgets/DapTextForm.ui.qml

+import QtQuick 2.4
+import QtQuick.Controls 2.2
+
+Item 
+{
+    id: dapText
+
+    ///@details Text.
+    property alias text: fullText.text
+    ///@details Text color.
+    property alias color: elidedText.color
+    ///@details Font.
+    property alias font: elidedText.font
+    ///@details Elide style.
+    property int elide: Qt.ElideRight
+    ///@details The number of symbols to display.
+    property int maxSymbolCapacity: 0
+    ///@details Text to display.
+    property alias elidedText: elidedText.text
+
+    property alias _fullText: fullText
+    property alias _metrics: metrics
+
+    // Displays the text
+    Text 
+    {
+        id: elidedText
+    }
+
+    // Calculates elide
+    FontMetrics 
+    {
+        id: metrics
+        font: parent.font
+    }
+
+    // Stores full string to copy
+    TextInput 
+    {
+        id: fullText
+        visible: false
+    }
+}