From be2442c185237aac7ddc6b9cb8037b1749e9de67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20M=C3=B6bius?= <moebius@cs.rwth-aachen.de>
Date: Fri, 24 Jul 2009 13:20:32 +0000
Subject: [PATCH] Dennis:

Use flags to implement source/target selections ( and possibly other tags )

Implement-source-target-object-flags-in-a-generic-style

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@6632 383ad7c9-94d9-4d36-a494-682f7c89f535
---
 common/BaseObject.cc | 44 +++++++++++++++++++++++++++++++++-----------
 common/BaseObject.hh | 36 +++++++++++++++++++++++-------------
 2 files changed, 56 insertions(+), 24 deletions(-)

diff --git a/common/BaseObject.cc b/common/BaseObject.cc
index d325cf9d..9296e002 100644
--- a/common/BaseObject.cc
+++ b/common/BaseObject.cc
@@ -59,8 +59,7 @@ BaseObject::BaseObject(const BaseObject& _object) {
   ++idGenerator;
   persistentId_ = _object.persistentId_;
   objectType_   = _object.objectType_;
-  target_ = _object.target_;
-  source_ = _object.source_;
+  flags_ = _object.flags_;
   visible_ = _object.visible_;
   parentItem_ = 0;
   childItems_.clear();
@@ -74,8 +73,7 @@ BaseObject::BaseObject(BaseObject* _parent) :
   id_(-1),
   persistentId_(-1),
   objectType_(DATA_NONE),
-  target_(false),
-  source_(false),
+  flags_(),
   visible_(true),
   parentItem_(_parent),
   name_("NONAME")
@@ -116,8 +114,8 @@ void BaseObject::cleanup() {
   persistentId_ = -1;
   objectType_ = DATA_NONE;
 
-  target_     = false;
-  source_     = false;
+  flags_.clear();
+
   visible_    = true;
   name_       = "NONAME";
 }
@@ -175,23 +173,47 @@ void BaseObject::printObjectInfo() {
 
 
 // ===============================================================================
-// source/target Handling
+// flag Handling
 // ===============================================================================
 
 bool BaseObject::target() {
-  return target_;
+  return flag("target");
 }
 
 void BaseObject::target(bool _target) {
-  target_= _target;
+  setFlag("target", _target);
 }
 
 bool BaseObject::source() {
-  return source_;
+  return flag("source");
 }
 
 void BaseObject::source(bool _source) {
-  source_ = _source;
+  setFlag("source", _source);
+}
+
+bool BaseObject::flag(QString _flag)
+{
+  return flags_.contains(_flag);
+}
+
+void BaseObject::setFlag(QString _flag, bool _set)
+{
+  if (flags_.contains(_flag))
+  {
+    if (!_set)
+      flags_.removeAll(_flag);
+  }
+  else
+  {
+    if (_set)
+      flags_ << _flag;
+  }
+}
+
+QStringList BaseObject::flags()
+{
+  return flags_;
 }
 
 // ===============================================================================
diff --git a/common/BaseObject.hh b/common/BaseObject.hh
index 1054bd04..a0b68d61 100644
--- a/common/BaseObject.hh
+++ b/common/BaseObject.hh
@@ -170,13 +170,16 @@ class DLLEXPORTONLY BaseObject {
   /** @} */
 
   //===========================================================================
-  /** @name Source/target handling
+  /** @name Flag handling (source, target, ...)
    * @{ */
   //===========================================================================
 
   public:
     /** Is this item selected as a target item?
-     */
+      * Most algorithms operate on target meshes. These meshes are also considered as active.
+      * Blending for inactive meshes is handled by DataControlPlugin so emit objectSelectionChanged
+      * if you changed this value.\n
+      */
     bool target();
 
     /** Set this item as a target
@@ -184,26 +187,33 @@ class DLLEXPORTONLY BaseObject {
     void target(bool _target);
 
     /** Is this item selected as a source item?
-     */
+      * Some algorithms use source meshes to define their input.
+      */
     bool source();
 
     /** Set this item as a source
      */
     void source(bool _source);
 
-  private:
+    /** Get a custom flag of this item
+     */
+    bool flag(QString _flag);
 
-    /** Is this item selected as a target item?
-    * Most algorithms operate on target meshes. These meshes are also considered as active.
-    * Blending for inactive meshes is handled by DataControlPlugin so emit updated_objects
-     * if you changed this value.\n
-    */
-    bool target_;
+    /** Set a custom flag on this item
+     */
+    void setFlag(QString _flag, bool _set);
 
-    /** Is this item selected as a source item?
-     * Some algorithms use source meshes to define their input.
+    /** Get all flags of this item
      */
-    bool source_;
+    QStringList flags();
+
+  private:
+
+    /** Stores all item flags as strings. Source and target flags are represented
+      * as "source" and "target" strings.
+      */
+    QStringList flags_;
+
 
   /** @} */
 
-- 
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