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/**
* ======================== legal notice ======================
*
* File: HTMLListAssembler.cc
* Created: 6. Juli 2012, 09
* Author: <a href="mailto:geronimo013@gmx.de">Geronimo</a>
* Project: cmps - the backend (server) part of compound media player
*
* CMP - compound media player
*
* is a client/server mediaplayer intended to play any media from any workstation
* without the need to export or mount shares. cmps is an easy to use backend
* with a (ready to use) HTML-interface. Additionally the backend supports
* authentication via HTTP-digest authorization.
* cmpc is a client with vdr-like osd-menues.
*
* Copyright (c) 2012 Reinhard Mantey, some rights reserved!
* published under Creative Commons by-sa
* For details see http://creativecommons.org/licenses/by-sa/3.0/
*
* The cmp project's homepage is at http://projects.vdr-developer.org/projects/cmp
*
* --------------------------------------------------------------
*/
#include <HTMLListAssembler.h>
#include <AbstractMedia.h>
#include <StringBuilder.h>
#include <Url.h>
#include <tools.h>
cHTMLListAssembler::cHTMLListAssembler()
{
}
cHTMLListAssembler::~cHTMLListAssembler()
{
}
bool cHTMLListAssembler::OpenList(cStringBuilder &sb, std::map<int, size_t> &Categories, size_t total, size_t start, uint delta)
{
genHTMLPrefix(sb, "Medien-Liste");
genPreviousLink(sb, !start ? -1 : max<size_t>(0, start - delta));
genNextLink(sb, start + delta >= total ? -1 : min(start + delta, total));
genDelim(sb);
genTypeMenu(sb, Categories);
genDelim(sb);
return true;
}
bool cHTMLListAssembler::AddElement(cStringBuilder &sb, void *ListElement, bool odd)
{
genMediaLink(sb, ListElement, odd);
return true;
}
bool cHTMLListAssembler::CloseList(cStringBuilder &sb, size_t total, size_t start, uint delta)
{
genDelim(sb);
genPreviousLink(sb, !start ? -1 : max<size_t>(0, start - delta));
genNextLink(sb, start + delta >= total ? -1 : min(start + delta, total));
return true;
}
cStringBuilder &cHTMLListAssembler::genHTMLPrefix(cStringBuilder& sb, const char *Title)
{
sb.Append("<html><head><title>").Append(Title).Append("</title>");
sb.Append("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">");
sb.Append("<style type=\"text/css\"><!--\n");
sb.Append("body { background: #eef; } ");
sb.Append("h1 { margin: 0; margin-top: 20px; padding: 0; text-align: center; } ");
sb.Append(".left { text-align: left; } ");
sb.Append(".right { margin-top: -1em; text-align: right; } ");
sb.Append(".center { text-align: center; } ");
sb.Append(".hmenu { padding: 1em; margin-left: 1em; } ");
sb.Append(".odd { display: block; background: #DDF; margin-left: 1em; margin-right: 1em; padding: 5px; padding-left: 1em; } ");
sb.Append(".even { display: block; background: #EEF; margin-left: 1em; margin-right: 1em; padding: 5px; padding-left: 1em; } ");
sb.Append("\n--></style>");
sb.Append("</head><body><h1>").Append(Title).Append("</h1>");
return sb;
}
const char *cHTMLListAssembler::MediaType() const
{
return "text/html";
}
cStringBuilder &cHTMLListAssembler::genDelim(cStringBuilder &sb)
{
return sb.Append("<div class=\"break\"><hr/></div>");
}
cStringBuilder &cHTMLListAssembler::genMediaLink(cStringBuilder &sb, void *Element, bool odd)
{
cAbstractMedia *m = (cAbstractMedia *)Element;
if (m) {
sb.Append("<a class=\"");
sb.Append(odd ? "odd" : "even");
sb.Append("\" href=\"");
sb.Append(m->URI());
sb.Append("\">");
switch (m->MediaType()) {
case cAbstractMedia::Audio: sb.Append("[A] "); break;
case cAbstractMedia::Movie: sb.Append("[M] "); break;
case cAbstractMedia::DVDImage: sb.Append("[D] "); break;
case cAbstractMedia::LegacyVdrRecording: sb.Append("[L] "); break;
case cAbstractMedia::VdrRecording: sb.Append("[V] "); break;
case cAbstractMedia::Picture: sb.Append("[P] "); break;
default: ;
}
sb.Append(m->Name());
sb.Append("</a>");
}
return sb;
}
cStringBuilder &cHTMLListAssembler::genNextLink(cStringBuilder &sb, int n)
{
sb.Append("<div class=\"right\">");
if (n < 0)
sb.Append("next");
else {
sb.Append("<a href=\"/?start=");
sb.Append(n);
sb.Append("\">");
sb.Append("next");
sb.Append("</a>");
}
sb.Append("</div>");
return sb;
}
cStringBuilder &cHTMLListAssembler::genPreviousLink(cStringBuilder &sb, int n)
{
sb.Append("<div class=\"left\">");
if (n < 0)
sb.Append("previous");
else {
sb.Append("<a href=\"/?start=");
sb.Append(n);
sb.Append("\">");
sb.Append("previous");
sb.Append("</a>");
}
sb.Append("</div>");
return sb;
}
cStringBuilder &cHTMLListAssembler::genTypeMenu(cStringBuilder &sb, std::map<int, size_t> &Categories)
{
sb.Append("<div class=\"topmenu\">");
std::map<int, size_t>::iterator it = Categories.begin();
while (it != Categories.end()) {
sb.Append("<a class=\"hmenu\" href=\"/?start=");
sb.Append(it->second);
sb.Append("\">");
sb.Append(cAbstractMedia::MediaType2Text(it->first));
sb.Append("</a>");
++it;
}
sb.Append("</div>");
return sb;
}
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