From 66ad27aba14cdfea777b9ebe1beb161f80f26463 Mon Sep 17 00:00:00 2001
From: Peter Penz <peter.penz19@gmail.com>
Date: Mon, 27 Jul 2009 05:31:48 +0000
Subject: Improved Subversion test plugin to allow committing, updating,
 diffing, adding and removing of files. As soon as the test plugin gets moved
 to kdesdk, the code should be improved to use the libsvn interface.

svn path=/trunk/KDE/kdebase/apps/; revision=1002839
---
 src/dolphinfileitemdelegate.cpp | 63 +++++++++++++++++++++++++++--------------
 1 file changed, 41 insertions(+), 22 deletions(-)

(limited to 'src/dolphinfileitemdelegate.cpp')

diff --git a/src/dolphinfileitemdelegate.cpp b/src/dolphinfileitemdelegate.cpp
index 367435ced..ddd4435a7 100644
--- a/src/dolphinfileitemdelegate.cpp
+++ b/src/dolphinfileitemdelegate.cpp
@@ -33,7 +33,9 @@
 
 DolphinFileItemDelegate::DolphinFileItemDelegate(QObject* parent) :
     KFileItemDelegate(parent),
-    m_hasMinimizedNameColumn(false)
+    m_hasMinimizedNameColumn(false),
+    m_cachedSize(),
+    m_cachedEmblems()
 {
 }
 
@@ -65,12 +67,10 @@ void DolphinFileItemDelegate::paint(QPainter* painter,
         const QVariant data = dolphinModel->data(revisionIndex, Qt::DecorationRole);
         const RevisionControlPlugin::RevisionState state = static_cast<RevisionControlPlugin::RevisionState>(data.toInt());
 
-        if (state != RevisionControlPlugin::LocalRevision) {
-            // TODO: extend KFileItemDelegate to be able to get the icon boundaries
-            const QRect iconRect(option.rect.x(), option.rect.y(),
-                                 KIconLoader::SizeSmall, KIconLoader::SizeSmall);
-            const QPixmap emblem = emblemForState(state, iconRect.size());
-            painter->drawPixmap(iconRect.x(), iconRect.y(), emblem);
+        if (state != RevisionControlPlugin::UnversionedRevision) {
+            const QRect rect = iconRect(option, index);
+            const QPixmap emblem = emblemForState(state, rect.size());
+            painter->drawPixmap(rect.x(), rect.y() + rect.height() - emblem.height(), emblem);
         }
     }
 }
@@ -105,23 +105,42 @@ void DolphinFileItemDelegate::adjustOptionWidth(QStyleOptionViewItemV4& option,
     }
 }
 
-QPixmap DolphinFileItemDelegate::emblemForState(RevisionControlPlugin::RevisionState state, const QSize& size)
+QPixmap DolphinFileItemDelegate::emblemForState(RevisionControlPlugin::RevisionState state, const QSize& size) const
 {
-    // TODO #1: all icons that are use here will be replaced by revision control emblems provided by the
+    // TODO: all icons that are use here will be replaced by revision control emblems provided by the
     // Oxygen team before KDE 4.4
-    // TODO #2: cache the icons
-    switch (state) {
-    case RevisionControlPlugin::LatestRevision:
-        return KIcon("dialog-ok-apply").pixmap(size);
-    case RevisionControlPlugin::ConflictingRevision:
-        return KIcon("application-exit").pixmap(size);
-    case RevisionControlPlugin::UpdateRequiredRevision:
-        return KIcon("rating").pixmap(size);
-    case RevisionControlPlugin::EditingRevision:
-        return KIcon("emblem-important").pixmap(size);
-    default:
-        break;
+    Q_ASSERT(state <= RevisionControlPlugin::ConflictingRevision);
+    if ((m_cachedSize != size) || !m_cachedEmblems[state].isNull()) {
+        m_cachedSize = size;
+
+        const int iconHeight = size.height();
+        int emblemHeight = KIconLoader::SizeSmall;
+        if (iconHeight >= KIconLoader::SizeEnormous) {
+            emblemHeight = KIconLoader::SizeMedium;
+        } else if (iconHeight >= KIconLoader::SizeLarge) {
+            emblemHeight = KIconLoader::SizeSmallMedium;
+        } else if (iconHeight >= KIconLoader::SizeMedium) {
+            emblemHeight = KIconLoader::SizeSmall;
+        } else {
+            // TODO: it depends on the final icons whether a smaller size works
+            emblemHeight = KIconLoader::SizeSmall /* / 2 */;
+        }
+
+        const QSize emblemSize(emblemHeight, emblemHeight);
+        for (int i = 0; i <= RevisionControlPlugin::ConflictingRevision; ++i) {
+            QString iconName;
+            switch (state) {
+            case RevisionControlPlugin::NormalRevision:          iconName = "dialog-ok-apply"; break;
+            case RevisionControlPlugin::UpdateRequiredRevision:  iconName = "rating"; break;
+            case RevisionControlPlugin::LocallyModifiedRevision: iconName = "emblem-important"; break;
+            case RevisionControlPlugin::AddedRevision:           iconName = "list-add"; break;
+            case RevisionControlPlugin::ConflictingRevision:     iconName = "application-exit"; break;
+            default: Q_ASSERT(false); break;
+            }
+
+            m_cachedEmblems[i] = KIcon(iconName).pixmap(emblemSize);
+        }
     }
-    return QPixmap();
+    return m_cachedEmblems[state];
 }
 
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