1 files changed, 137 insertions, 0 deletions
diff --git a/channelgroups.c b/channelgroups.c
new file mode 100644
index 0000000..ce11e78
--- /dev/null
+++ b/channelgroups.c
@@ -0,0 +1,137 @@
+#include <vector>
+#include "channelgroups.h"
+
+cChannelGroups::cChannelGroups(void) {
+}
+
+cChannelGroups::~cChannelGroups(void) {
+}
+
+void cChannelGroups::ReadChannelGroups(void) {
+    bool setStart = false;
+    int lastChannelNumber = 0;
+    const cChannel *first = Channels.First();
+    if (!first->GroupSep()) {
+        channelGroups.push_back(cChannelGroup(tr("Main Program")));
+        setStart = true;
+    }    
+    for (const cChannel *channel = Channels.First(); channel; channel = Channels.Next(channel)) {
+        if (setStart && (channelGroups.size() > 0)) {
+            channelGroups[channelGroups.size()-1].SetChannelStart(channel->Number());
+            setStart = false;
+        }
+        if (channel->GroupSep()) {
+            if (channelGroups.size() > 0) {
+                channelGroups[channelGroups.size()-1].SetChannelStop(lastChannelNumber);
+            }
+            channelGroups.push_back(cChannelGroup(channel->Name()));
+            setStart = true;
+        } else {
+            lastChannelNumber = channel->Number();
+        }
+    }
+    if (channelGroups.size() > 0) {
+        channelGroups[channelGroups.size()-1].SetChannelStop(lastChannelNumber);
+        if ((tvguideConfig.hideLastGroup)&&(channelGroups.size() > 1)) {
+            channelGroups.pop_back();
+        }
+    }
+}
+
+int cChannelGroups::GetGroup(const cChannel *channel) {
+    int channelNumber = channel->Number();
+    int numGroups = channelGroups.size();
+    if (numGroups) {
+        for (int i=0; i<numGroups; i++) {
+            if ((channelGroups[i].StartChannel() <= channelNumber) && ((channelGroups[i].StopChannel() >= channelNumber))) {
+                return i;
+            }
+        }
+    }
+    return -1;
+}
+
+const char* cChannelGroups::GetPrev(int group) {
+    if (group > 0) {
+        return channelGroups[group-1].GetName();
+    }
+    return "";
+}
+
+const char* cChannelGroups::GetNext(int group) {
+    if (group > -1) {
+        if ((group+1) < channelGroups.size())
+            return channelGroups[group+1].GetName();
+    }
+    return "";
+}
+
+int cChannelGroups::GetPrevGroupChannelNumber(const cChannel *channel) {
+    int currentGroup = GetGroup(channel);
+    if (currentGroup == -1)
+        return 0;
+    if (currentGroup > 0) {
+        return channelGroups[currentGroup-1].StartChannel();
+    }
+    return 0;
+}
+
+int cChannelGroups::GetNextGroupChannelNumber(const cChannel *channel) {
+    int currentGroup = GetGroup(channel);
+    if (currentGroup == -1)
+        return 0;
+    if ((currentGroup+1) < channelGroups.size()) {
+        return channelGroups[currentGroup+1].StartChannel();
+    }
+    return 0;
+}
+
+bool cChannelGroups::IsInLastGroup(const cChannel *channel) {
+    if (!tvguideConfig.hideLastGroup)
+        return false;
+    if (channelGroups.size() > 0) {
+        if (channel->Number() > channelGroups[channelGroups.size()-1].StopChannel()) {
+            return true;
+        }
+    }
+    return false;
+}
+
+void cChannelGroups::DrawChannelGroups(const cChannel *start, const cChannel *stop) {
+    groupGrids.Clear();
+    int group = GetGroup(start);
+    int groupLast = group;
+    int line = 0;
+    int lineStart = 0;
+    for (const cChannel *channel = Channels.Next(start); channel; channel = Channels.Next(channel)) {
+        if (channel->GroupSep())
+            continue;
+        group = GetGroup(channel);
+        if (group != groupLast) {
+            CreateGroupGrid(channelGroups[groupLast].GetName(), group, lineStart, line);
+            lineStart = line + 1;
+        }
+        line++;
+        groupLast = group;
+        if (channel == stop) {
+            CreateGroupGrid(channelGroups[groupLast].GetName(), group, lineStart, line);
+            break;
+        }
+    }
+    
+}
+
+void cChannelGroups::CreateGroupGrid(const char *name, int number, int start, int end) {
+    cChannelGroupGrid *groupGrid = new cChannelGroupGrid(name);
+    groupGrid->SetColor(number%2);
+    groupGrid->SetBackground();
+    groupGrid->SetGeometry(start, end);
+    groupGrid->Draw();
+    groupGrids.Add(groupGrid);
+}
+
+void cChannelGroups::DumpGroups(void) {
+    for (std::vector<cChannelGroup>::iterator group = channelGroups.begin(); group!=channelGroups.end(); ++group) {
+        group->Dump();
+    }
+}