utils/themeeditor/models/parsetreenode.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Robert Bieber
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef PARSETREENODE_H
  23 #define PARSETREENODE_H
  24
  25 #include "skin_parser.h"
  26 #include "rbviewport.h"
  27 #include "rbscreen.h"
  28 #include "rbrenderinfo.h"
  29
  30 #include <QString>
  31 #include <QVariant>
  32 #include <QList>
  33
  34 class ParseTreeNode
  35 {
  36 public:
  37     ParseTreeNode(struct skin_element* data, ParseTreeModel* model);
  38     ParseTreeNode(struct skin_element* data, ParseTreeNode* parent,
  39                   ParseTreeModel* model);
  40     ParseTreeNode(struct skin_tag_parameter* data, ParseTreeNode* parent,
  41                   ParseTreeModel* model);
  42     virtual ~ParseTreeNode();
  43
  44     QString genCode() const;
  45     int genHash() const;
  46
  47     bool isParam() const{ if(param) return true; else return false; }
  48     struct skin_tag_parameter* getParam(){ return param;}
  49     struct skin_element* getElement(){return element;}
  50
  51     ParseTreeNode* child(int row);
  52     int numChildren() const;
  53     QVariant data(int column) const;
  54     int getRow() const;
  55     ParseTreeNode* getParent() const;
  56     ParseTreeNode* getChild(int row) const
  57     {
  58         if(row < children.count())
  59             return children[row];
  60         else
  61             return 0;
  62     }
  63
  64     void render(const RBRenderInfo& info);
  65     void render(const RBRenderInfo &info, RBViewport* viewport,
  66                 bool noBreak = false);
  67
  68     double findBranchTime(ParseTreeNode* branch, const RBRenderInfo& info);
  69     double findConditionalTime(ParseTreeNode* conditional,
  70                                const RBRenderInfo& info);
  71
  72     void modParam(QVariant value, int index = -1);
  73
  74 private:
  75
  76     bool execTag(const RBRenderInfo& info, RBViewport* viewport);
  77     QVariant evalTag(const RBRenderInfo& info, bool conditional = false,
  78                      int branches = 0);
  79
  80     ParseTreeNode* parent;
  81     struct skin_element* element;
  82     struct skin_tag_parameter* param;
  83     QList<ParseTreeNode*> children;
  84
  85     static int openConditionals;
  86     static bool breakFlag;
  87     QGraphicsItem* rendered;
  88
  89     ParseTreeModel* model;
  90
  91     QList<int> extraParams;
  92
  93 };
  94
  95 #endif // PARSETREENODE_H