Created V0.3.x branch and moved the head into the trunk directory.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@246 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/advsearch/advancedsearchdialog.cpp

@@ -0,0 +1,154 @@
+/****************************************************************
+*  RetroShare is distributed under the following license:
+*
+*  Copyright (C) 2006, 2007 The RetroShare Team
+*
+*  This program is free software; you can redistribute it and/or
+*  modify it under the terms of the GNU General Public License
+*  as published by the Free Software Foundation; either version 2
+*  of the License, or (at your option) any later version.
+*
+*  This program is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU General Public License for more details.
+*
+*  You should have received a copy of the GNU General Public License
+*  along with this program; if not, write to the Free Software
+*  Foundation, Inc., 51 Franklin Street, Fifth Floor, 
+*  Boston, MA  02110-1301, USA.
+****************************************************************/
+
+#include "advancedsearchdialog.h"
+
+AdvancedSearchDialog::AdvancedSearchDialog(QWidget * parent) : QDialog (parent) 
+{
+    setupUi(this);
+    dialogLayout = this->layout();
+    metrics = new QFontMetrics(this->font());
+
+    // the list of expressions
+    expressions = new QList<ExpressionWidget*>();
+
+    // a area for holding the objects
+    expressionsLayout = new QVBoxLayout();
+    expressionsLayout->setSpacing(0);
+    expressionsLayout->setMargin(0);
+    expressionsLayout->setObjectName(QString::fromUtf8("expressionsLayout"));
+    expressionsFrame->setSizePolicy(QSizePolicy::MinimumExpanding, 
+                                  QSizePolicy::MinimumExpanding);
+    expressionsFrame->setLayout(expressionsLayout);
+    
+    // we now add the first expression widgets to the dialog via a vertical
+    // layout 
+    reset();//addNewExpression();
+
+    connect (this->addExprButton, SIGNAL(clicked()),
+             this, SLOT(addNewExpression()));
+    connect (this->resetButton, SIGNAL(clicked()),
+             this, SLOT(reset()));
+    connect(this->executeButton, SIGNAL(clicked()),
+            this, SLOT(prepareSearch()));
+}
+
+
+void AdvancedSearchDialog::addNewExpression()
+{
+    int sizeChange = metrics->height() + 35;
+
+    ExpressionWidget *expr;
+    if (expressions->size() == 0)
+    {
+        //create an initial expression
+        expr = new ExpressionWidget(expressionsFrame, true);
+    } else {
+        expr = new ExpressionWidget(expressionsFrame);
+    }
+    
+    expressions->append(expr);
+    expressionsLayout->addWidget(expr, 1, Qt::AlignLeft);
+    
+    
+    connect(expr, SIGNAL(signalDelete(ExpressionWidget*)),
+            this, SLOT(deleteExpression(ExpressionWidget*)));
+    
+    //expressionsLayout->invalidate();
+    //searchCriteriaBox->setMinimumSize(searchCriteriaBox->minimumWidth(), 
+     //                                 searchCriteriaBox->minimumHeight() + sizeChange);
+    //searchCriteriaBox->adjustSize();
+    expressionsFrame->adjustSize();
+    this->setMinimumSize(this->minimumWidth(), this->minimumHeight()+sizeChange);
+    this->adjustSize();
+
+}
+
+void AdvancedSearchDialog::deleteExpression(ExpressionWidget* expr)
+{
+    int sizeChange = metrics->height() + 35;
+    
+    expressions->removeAll(expr);
+    expr->hide();
+    expressionsLayout->removeWidget(expr);
+    delete expr;
+    
+    expressionsLayout->invalidate();
+    //searchCriteriaBox->setMinimumSize(searchCriteriaBox->minimumWidth(), 
+      //                                searchCriteriaBox->minimumHeight() - sizeChange);
+    //searchCriteriaBox->adjustSize();
+    expressionsFrame->adjustSize();
+    this->setMinimumSize(this->minimumWidth(), this->minimumHeight()-sizeChange);
+    this->adjustSize();
+}
+
+void AdvancedSearchDialog::reset()
+{
+    ExpressionWidget *expr;
+    while (!expressions->isEmpty())
+    {
+        expr = expressions->takeLast();
+        deleteExpression(expr);
+    }
+    
+    // now add a new default expressions
+    addNewExpression();
+}
+
+void AdvancedSearchDialog::prepareSearch()
+{
+    emit search(getRsExpr());
+}
+
+
+Expression * AdvancedSearchDialog::getRsExpr()
+{
+    Expression * wholeExpression;
+
+    // process the special case: first expression
+    wholeExpression = expressions->at(0)->getRsExpression();
+    
+
+    // iterate through the items in elements and
+    for (int i = 1; i < expressions->size(); ++i) {
+        // extract the expression information and compound it with the
+        // first expression
+        wholeExpression = new CompoundExpression(expressions->at(i)->getOperator(),
+                                                 wholeExpression,
+                                                 expressions->at(i)->getRsExpression());
+    } 
+    return wholeExpression;
+}
+
+QString AdvancedSearchDialog::getSearchAsString()
+{
+    QString str = expressions->at(0)->toString();
+    
+
+    // iterate through the items in elements and
+    for (int i = 1; i < expressions->size(); ++i) {
+        // extract the expression information and compound it with the
+        // first expression
+        str += QString(" ") + expressions->at(i)->toString();
+    } 
+    return str;
+}
+