Theme Editor: Enabled editing tag parameters from a treeview

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26452 a1c6a512-1295-4272-9138-f99709370657

utils/themeeditor/parsetreemodel.cpp

@@ -21,6 +21,10 @@
 
 
 #include "parsetreemodel.h"
+#include "symbols.h"
+
+#include <cstdlib>
+
 #include <QObject>
 
 ParseTreeModel::ParseTreeModel(char* document, QObject* parent):
@@ -82,7 +86,7 @@ int ParseTreeModel::rowCount(const QModelIndex &parent) const
     if(!parent.isValid())
         return root->numChildren();
 
-    if(parent.column() > 0)
+    if(parent.column() != typeColumn)
         return 0;
 
     return static_cast<ParseTreeNode*>(parent.internalPointer())->numChildren();
@@ -90,8 +94,9 @@ int ParseTreeModel::rowCount(const QModelIndex &parent) const
 
 int ParseTreeModel::columnCount(const QModelIndex &parent) const
 {
-    return 3;
+    return numColumns;
 }
+
 QVariant ParseTreeModel::data(const QModelIndex &index, int role) const
 {
     if(!index.isValid())
@@ -103,3 +108,94 @@ QVariant ParseTreeModel::data(const QModelIndex &index, int role) const
     return static_cast<ParseTreeNode*>(index.internalPointer())->
             data(index.column());
 }
+
+QVariant ParseTreeModel::headerData(int col, Qt::Orientation orientation,
+                                    int role) const
+{
+    if(orientation != Qt::Horizontal)
+        return QVariant();
+
+    if(col >= numColumns)
+        return QVariant();
+
+    if(role != Qt::DisplayRole)
+        return QVariant();
+
+    switch(col)
+    {
+    case typeColumn:
+        return QObject::tr("Type");
+
+    case lineColumn:
+        return QObject::tr("Line");
+
+    case valueColumn:
+        return QObject::tr("Value");
+    }
+
+    return QVariant();
+}
+
+Qt::ItemFlags ParseTreeModel::flags(const QModelIndex &index) const
+{
+    Qt::ItemFlags retval = Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+
+    ParseTreeNode* element = static_cast<ParseTreeNode*>
+                             (index.internalPointer());
+    if(element->isParam() && index.column() == valueColumn)
+        retval |= Qt::ItemIsEditable;
+
+    return retval;
+}
+
+bool ParseTreeModel::setData(const QModelIndex &index, const QVariant &value,
+                             int role)
+{
+    if(role != Qt::EditRole)
+        return false;
+
+    if(index.column() != valueColumn)
+        return false;
+
+    ParseTreeNode* element = static_cast<ParseTreeNode*>
+                             (index.internalPointer());
+
+    if(!element->isParam())
+        return false;
+
+    struct skin_tag_parameter* param = element->getParam();
+
+    /* Now that we've established that we do, in fact, have a parameter, we'll
+     * set it to its new value if an acceptable one has been entered
+     */
+    if(value.toString().trimmed() == QString(QChar(DEFAULTSYM)))
+    {
+        if(islower(param->type_code))
+            param->type = skin_tag_parameter::DEFAULT;
+        else
+            return false;
+    }
+    else if(tolower(param->type_code) == 's' || tolower(param->type_code) == 'f')
+    {
+        if(param->type == skin_tag_parameter::STRING)
+            free(param->data.text);
+
+        param->type = skin_tag_parameter::STRING;
+        param->data.text = strdup(value.toString().trimmed().toAscii());
+    }
+    else if(tolower(param->type_code) == 'i')
+    {
+        if(!value.canConvert(QVariant::Int))
+            return false;
+
+        param->type = skin_tag_parameter::NUMERIC;
+        param->data.numeric = value.toInt();
+    }
+    else
+    {
+        return false;
+    }
+
+    emit dataChanged(index, index);
+    return true;
+}

utils/themeeditor/parsetreemodel.h

@@ -36,6 +36,12 @@ class ParseTreeModel : public QAbstractItemModel
     Q_OBJECT
 
 public:
+    /* Constants */
+    static const int numColumns = 3;
+    static const int typeColumn = 0;
+    static const int lineColumn = 1;
+    static const int valueColumn = 2;
+
     /* Initializes a tree with a skin document in a string */
     ParseTreeModel(char* document, QObject* parent = 0);
     virtual ~ParseTreeModel();
@@ -47,6 +53,9 @@ public:
     int rowCount(const QModelIndex &parent) const;
     int columnCount(const QModelIndex &parent) const;
     QVariant data(const QModelIndex &index, int role) const;
+    QVariant headerData(int col, Qt::Orientation orientation, int role) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
+    bool setData(const QModelIndex &index, const QVariant &value, int role);
 
 private:
     ParseTreeNode* root;

utils/themeeditor/parsetreenode.cpp

@@ -26,6 +26,7 @@ extern "C"
 }
 
 #include "parsetreenode.h"
+#include "parsetreemodel.h"
 
 /* Root element constructor */
 ParseTreeNode::ParseTreeNode(struct skin_element* data)
@@ -223,8 +224,7 @@ QVariant ParseTreeNode::data(int column) const
 {
     switch(column)
     {
-        /* Column 0 is the element type */
-    case 0:
+    case ParseTreeModel::typeColumn:
         if(element)
         {
             switch(element->type)
@@ -278,8 +278,7 @@ QVariant ParseTreeNode::data(int column) const
 
         break;
 
-        /* Column 1 is the value */
-    case 1:
+    case ParseTreeModel::valueColumn:
         if(element)
         {
             switch(element->type)
@@ -324,8 +323,7 @@ QVariant ParseTreeNode::data(int column) const
         }
         break;
 
-        /* Column 2 is the line number */
-    case 2:
+    case ParseTreeModel::lineColumn:
         if(element)
             return QString::number(element->line, 10);
         else

utils/themeeditor/parsetreenode.h

@@ -37,6 +37,9 @@ public:
     virtual ~ParseTreeNode();
 
     QString genCode() const;
+    bool isParam() const{ if(param) return true; else return false; }
+    struct skin_tag_parameter* getParam(){ return param;}
+    struct skin_element* getElement(){return element;}
 
     ParseTreeNode* child(int row);
     int numChildren() const;

utils/themeeditor/skin_parser.c

@@ -481,6 +481,9 @@ int skin_parse_tag(struct skin_element* element, char** document)
         if(*cursor == COMMENTSYM)
             skip_comment(&cursor);
 
+        /* Storing the type code */
+        element->params[i].type_code = *tag_args;
+
         /* Checking a nullable argument for null */
         if(*cursor == DEFAULTSYM)
         {

utils/themeeditor/skin_parser.h

@@ -86,6 +86,8 @@ struct skin_tag_parameter
         struct skin_element* code;
     } data;
 
+    char type_code;
+            
 };
 
 /* Defines an element of a SKIN file */