From 43f46c895d2a8a0c2c7b2c3fefb7c223a28de110 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Mardelle <jb@kdenlive.org>
Date: Mon, 4 May 2009 19:46:28 +0000
Subject: [PATCH] Improve document checker: allow to delete clips

svn path=/trunk/kdenlive/; revision=3356
---
 src/documentchecker.cpp | 66 +++++++++++++++++++++++++++++++++++++++++
 src/documentchecker.h   |  1 +
 2 files changed, 67 insertions(+)

diff --git a/src/documentchecker.cpp b/src/documentchecker.cpp
index 4aeafaf3..a39f1037 100644
--- a/src/documentchecker.cpp
+++ b/src/documentchecker.cpp
@@ -29,6 +29,7 @@
 #include <KFileDialog>
 #include <KApplication>
 #include <KUrlRequesterDialog>
+#include <KMessageBox>
 
 #include <QTreeWidgetItem>
 #include <QFile>
@@ -110,6 +111,7 @@ DocumentChecker::DocumentChecker(QDomDocument doc, QWidget * parent) :
     }
     connect(m_view.recursiveSearch, SIGNAL(pressed()), this, SLOT(slotSearchClips()));
     connect(m_view.usePlaceholders, SIGNAL(pressed()), this, SLOT(slotPlaceholders()));
+    connect(m_view.removeSelected, SIGNAL(pressed()), this, SLOT(slotDeleteSelected()));
     connect(m_view.treeWidget, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)), this, SLOT(slotEditItem(QTreeWidgetItem *, int)));
     //adjustSize();
 }
@@ -260,6 +262,70 @@ void DocumentChecker::checkStatus()
     m_view.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(status);
 }
 
+
+void DocumentChecker::slotDeleteSelected()
+{
+    if (KMessageBox::warningContinueCancel(this, i18n("This will remove the selected clips from this project"), i18n("Remove clips")) == KMessageBox::Cancel) return;
+    int ix = 0;
+    QStringList deletedIds;
+    QTreeWidgetItem *child = m_view.treeWidget->topLevelItem(ix);
+    QDomNodeList playlists = m_doc.elementsByTagName("playlist");
+
+    while (child) {
+        if (child->isSelected()) {
+            QString id = child->data(0, idRole).toString();
+            deletedIds.append(id);
+            for (int j = 0; j < playlists.count(); j++)
+                deletedIds.append(id + '_' + QString::number(j));
+            delete child;
+        } else ix++;
+        child = m_view.treeWidget->topLevelItem(ix);
+    }
+    kDebug() << "// Clips to delete: " << deletedIds;
+
+    if (!deletedIds.isEmpty()) {
+        QDomElement e;
+        QDomNodeList producers = m_doc.elementsByTagName("producer");
+        QDomNodeList infoproducers = m_doc.elementsByTagName("kdenlive_producer");
+
+        QDomElement westley = m_doc.firstChildElement("westley");
+        QDomElement kdenlivedoc = westley.firstChildElement("kdenlivedoc");
+
+        for (int i = 0; i < infoproducers.count(); i++) {
+            e = infoproducers.item(i).toElement();
+            if (deletedIds.contains(e.attribute("id"))) {
+                // Remove clip
+                kdenlivedoc.removeChild(e);
+                break;
+            }
+        }
+
+        for (int i = 0; i < producers.count(); i++) {
+            e = producers.item(i).toElement();
+            if (deletedIds.contains(e.attribute("id"))) {
+                // Remove clip
+                westley.removeChild(e);
+                break;
+            }
+        }
+
+        for (int i = 0; i < playlists.count(); i++) {
+            QDomNodeList entries = playlists.at(i).toElement().elementsByTagName("entry");
+            for (int j = 0; j < playlists.count(); j++) {
+                e = entries.item(j).toElement();
+                if (deletedIds.contains(e.attribute("producer"))) {
+                    // Replace clip with blank
+                    e.setTagName("blank");
+                    e.removeAttribute("producer");
+                    int length = e.attribute("out").toInt() - e.attribute("in").toInt();
+                    e.setAttribute("length", length);
+                }
+            }
+        }
+        checkStatus();
+    }
+}
+
 #include "documentchecker.moc"
 
 
diff --git a/src/documentchecker.h b/src/documentchecker.h
index 57d3bf37..d162e294 100644
--- a/src/documentchecker.h
+++ b/src/documentchecker.h
@@ -44,6 +44,7 @@ private slots:
     void slotSearchClips();
     void slotEditItem(QTreeWidgetItem *item, int);
     void slotPlaceholders();
+    void slotDeleteSelected();
 
 protected:
     //void wheelEvent(QWheelEvent * event);
-- 
2.39.2