From 72cea006a29539ac064a40198ce9699e28b51679 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Fri, 20 Jun 2008 14:55:06 +0000
Subject: Modified combobox to use more complex search and an overall nicer
 behaviour... testing needed, and maybe more changes.

---
 client/widgets/combobox.cc | 110 ++++++++++++++++++++++++++++++++++++++-------
 client/widgets/combobox.h  |   6 ++-
 2 files changed, 100 insertions(+), 16 deletions(-)

diff --git a/client/widgets/combobox.cc b/client/widgets/combobox.cc
index aa2d78b..a60f1ed 100644
--- a/client/widgets/combobox.cc
+++ b/client/widgets/combobox.cc
@@ -26,51 +26,131 @@
  */
 #include "combobox.h"
 #include <QDomNodeList>
+#include <QCompleter>
+#include <QRegExpValidator>
+#include <QRegExp>
+
+typedef enum {
+  SELECT,
+  EDIT,
+  SEARCH
+} types_t;
 
 ComboBox::ComboBox(QDomNode &node, MacroWindow *macrowindow)
   : QComboBox(), Widget(node, macrowindow)
 {
   QDomElement elem = node.toElement();
 
+  setInsertPolicy(QComboBox::InsertAlphabetically);
+
   if(elem.hasAttribute("width")) {
-    //resize(elem.attribute("width").toInt(), height());
     setMinimumWidth(elem.attribute("width").toInt());
   }
 
   if(elem.hasAttribute("height")) {
-    //resize(width(), elem.attribute("height").toInt());
     setMinimumHeight(elem.attribute("height").toInt());
   }
 
   QDomNodeList children = node.childNodes();
-  int default_found = 0;
+  QStringList itemlist;
+
+  setCurrentIndex(-1); // -1 is default for none selected
 
   for (int i=0; i<children.count();i++) {
     QDomNode child = children.at(i);
     QDomElement combo_elem = child.toElement();
-
     if(combo_elem.hasAttribute("caption") && combo_elem.hasAttribute("value")) {
-      // insert item into current combobox
       addItem(combo_elem.attribute("caption"), combo_elem.attribute("value"));
-      if(elem.attribute("value") == combo_elem.attribute("value")) {
-        setCurrentIndex(count() - 1);
-        default_found = 1;
-      } 
+      itemlist << combo_elem.attribute("caption");
     } else {
       printf("XML Error!!! Combobox item is missing one or more attributes...\n");
     }
   }
-  if(default_found == 0) setCurrentIndex(-1); // -1 is default for none selected
-}
 
-bool ComboBox::isValid()
-{
-  return currentIndex() != -1;
+  if(elem.hasAttribute("value")) {
+    setValue(elem.attribute("value"));
+  } 
+
+
+  //  addItems(itemlist);
+
+  types_t combotype = SELECT;
+  if(elem.hasAttribute("type")) {
+    if(elem.attribute("type") == "select") combotype = SELECT;
+    if(elem.attribute("type") == "edit") combotype = EDIT;
+    if(elem.attribute("type") == "search") combotype = SEARCH;
+  }
+
+  switch(combotype) {
+  case SELECT:
+    setEditable(false);
+    //connect(this, SIGNAL(currentIndexChanged(QString)), this, SLOT(changed()));
+    break;
+
+  case EDIT:
+    setEditable(true);
+    connect(this, SIGNAL(editTextChanged(QString)), this, SLOT(changed()));
+    //setEditText(elem.attribute("value"));
+    break;
+
+  case SEARCH:
+    setEditable(true);
+    {
+      QString rxs = "(";
+      for(int i = 0; i < itemlist.size(); i++) {
+        if(rxs != "(") rxs += "|";
+        rxs += itemlist.at(i);
+      }
+      rxs += ")";
+      rx = QRegExp(rxs);
+    }
+    {    
+      QCompleter *completer = new QCompleter(itemlist, this);
+      completer->setCaseSensitivity(Qt::CaseInsensitive);
+      completer->setCompletionMode(QCompleter::PopupCompletion);
+      setCompleter(completer);
+      setValidator(new QRegExpValidator(rx, this));
+    }
+    connect(this, SIGNAL(editTextChanged(QString)), this, SLOT(changed()));
+    //setEditText(elem.attribute("value"));
+    break;
+  }
 }
 
 QString ComboBox::getValue()
 {
   QString value;
-  if(currentIndex() != -1) value = itemData(currentIndex()).toString();
+
+  int idx = currentIndex();
+  
+  if(idx != -1 && itemText(idx) == currentText()) value = itemData(idx).toString();
+  else value = currentText();
+
   return value;
 }
+
+void ComboBox::setValue(QString value)
+{
+  int idx = findData(value);
+  if(idx != -1) setCurrentIndex(idx);
+}
+
+bool ComboBox::isValid()
+{
+  return rx.exactMatch(currentText());
+}
+
+void ComboBox::changed()
+{
+  QPalette palette;
+
+  if(isValid()) {
+    // valid string
+    palette.setBrush(QPalette::Base, QBrush(QColor(255, 255, 255)));
+  } else {
+    // invalid string
+    palette.setBrush(QPalette::Base, QBrush(QColor(200, 230, 200)));
+  }
+
+  setPalette(palette);
+}
diff --git a/client/widgets/combobox.h b/client/widgets/combobox.h
index a79b2aa..9ad2323 100644
--- a/client/widgets/combobox.h
+++ b/client/widgets/combobox.h
@@ -30,19 +30,23 @@
 #include "widget.h"
 #include <QDomNode>
 #include <QComboBox>
+#include <QRegExp>
 
 class ComboBox : public QComboBox, public Widget
 {
+Q_OBJECT
 public:
   ComboBox(QDomNode &node, MacroWindow *macrowindow);
 
 public slots:
   bool isValid();
   QString getValue();
+  void setValue(QString value);
+  void changed();
 
 private:
+  QRegExp rx;
   QString combo_value;
-
 };
 
 #endif/*__PRACRO_COMBOBOX_H__*/
-- 
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