Update documentation

examples/xlsx/demo/doc/src/demo.qdoc

@@ -1,8 +1,12 @@
 /*!
     \example demo
-    \title Xlsx Demo
+    \title Qt Xlsx Demo
     \brief This is a demo which is used to show features of the library
     \ingroup qtxlsx-examples
 
     \image xlsx_demo.png
+    \image xlsx_demo_fonts.png
+    \image xlsx_demo_formulas.png
+    \image xlsx_demo_merging.png
+    \image xlsx_demo_grouping.png
 */

examples/xlsx/demo/main.cpp

@@ -289,8 +289,8 @@ int main()
     xlsx.saveAs("Book1.xlsx");
 
     //Make sure that read/write works well.
-    Document xlsx2("Book1.xlsx");
+    Document xlsx2("demo.xlsx");
-    xlsx2.saveAs("Book2.xlsx");
+    xlsx2.saveAs("demo2.xlsx");
 
     return 0;
 }

examples/xlsx/documentproperty/doc/src/documentproperty.qdoc

@@ -1,11 +1,11 @@
 /*!
-    \title Qt Xlsx Examples - Document Properties
     \example documentproperty
-    \title Xlsx DocProperties Example
+    \title Document Properties Example
     \brief This is a simplest xlsx examples.
 
+    \image doc_property.png
+    
     \ingroup qtxlsx-examples
 
-    This example demonstrates how to generate a
+    This example demonstrates how to set the document properties.
-    .xlsx file with Qt Xlsx Library.
 */

examples/xlsx/extractdata/doc/src/extractdata.qdoc

@@ -9,8 +9,8 @@
 
     This creates a new instance of the all important Document
     class which gives you access to the Excel workbook and worksheets.
-    \snippet hello/main.cpp 0
+    \snippet extractdata/main.cpp 0
 
     Extracts data from current worksheet.
-    \snippet hello/main.cpp 1
+    \snippet extractdata/main.cpp 1
 */

examples/xlsx/hello/doc/src/hello.qdoc

@@ -1,20 +1,22 @@
 /*!
     \example hello
-    \title Xlsx Hello Example
+    \title Hello QtXlsx Example
-    \brief This is a simplest xlsx examples.
+    \brief This is a simplest Qt Xlsx example.
     \ingroup qtxlsx-examples
 
-    This example demonstrates how to generate a
+    This example demonstrates how to create a new
-    simplest .xlsx file with Qt Xlsx Library.
+     .xlsx file containing some basic data and calculations
+    with Qt Xlsx Library. So lets see how this is achieved.
     \image hello.png
 
-    Create an object of the class QXlsx::Document.
+    This creates a new instance of the all important Document
+    class which gives you access to the Excel workbook and worksheets.
     \snippet hello/main.cpp 0
 
-    Set the cells of worksheet.
+    A default worksheet have been created by Document. Let's start
+    by adding some basic data.
     \snippet hello/main.cpp 1
 
-    Save it.
+    Now save the file and all its components.
     \snippet hello/main.cpp 2
-
 */

examples/xlsx/xlsx.pro

@@ -1,5 +1,7 @@
 TEMPLATE = subdirs
-SUBDIRS = hello style \
+SUBDIRS = hello \
+    extractdata \
+    style \
     documentproperty \
     image \
     mergecells \

src/xlsx/doc/src/qtxlsx-index.qdoc

@@ -32,8 +32,8 @@
     Microsoft Excel and can be used in any platform that Qt5 supported. The library can be used to
 
     \list
-       \li Generate a new .xlsx file from scratch
+       \li \l{Hello QtXlsx Example}{Generate a new .xlsx file from scratch}
-       \li Extract data from an existing .xlsx file
+       \li \l{Extract Data Example}{Extract data from an existing .xlsx file}
        \li Edit an existing .xlsx file
     \endlist