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AT_Webserver.cpp
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//Version 0.5
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
#include <AT_LanguageGE.h>
#include <Arduino.h>
#include <AT_Database.h>
#include "AT_Webserver.h"
#include "WebServer.h"
const PROGMEM char AT_WIDGET_TEMPLATE[] =
"<button type='submit' name='widget' value=%i style=\"border:none;background-color:#%06x;border-color:#%06x;color:#%06x;font-size:%ipt;font-weight:%s;text-align:center;width:%i%%;float:%s;\">\n"
"<div style='padding:5px;'>\n";
const PROGMEM char HTML_HEADER[] =
"<!DOCTYPE HTML>\n"
"<html>\n"
"<head>\n"
"<meta name = \"viewport\" content = \"width = device-width, initial-scale = 1.0, maximum-scale = 1.0, user-scalable=0>\">\n"
"<meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\">\n"
"<title>Smart Home</title>\n"
"<style>\n"
"body { background-color: #d2f3eb; font-family: Arial, Helvetica, Sans-Serif; Color: #000000;font-size:12pt;width:800px; }\n"
"th { background-color: #b6c0db; color: #050ed2;font-weight:lighter;font-size:10pt;}\n"
"table, th, td {border: 1px solid black;}\n"
".titel {font-size:18pt;font-weight:bold;text-align:center;} \n"
"</style>\n";
const PROGMEM char HTML_HEADER_END[] =
"</head>\n"
"<body><div id='main_div' style='margin-left:15px;margin-right:15px;'>\n";
const PROGMEM char HTML_END[] =
"</body></html>\n";
const PROGMEM char HTML_SCRIPT[] =
"<script language=\"javascript\">\n"
"function reload() {\n"
"document.location=\"http://%s\";}\n"
"function setWidth() {\n"
"var x = screen.width;\n"
"if (x<800) document.getElementById('main_div').style.width = (x-50) + 'px';}\n"
"</script>\n";
const PROGMEM char HTML_END_RELOAD[] =
"</div><script language=\"javascript\">setWidth(); setTimeout(reload, %i);</script></body>\n"
"</html>\n";
AT_Webserver::AT_Webserver(WebServer * srv, AT_Database *database) {
_server = srv;
_database = database;
}
void AT_Webserver::begin() {
_server->begin();
}
void AT_Webserver::handleClient(){
_server->handleClient();
}
void AT_Webserver::handleRoot(uint8_t refresh){
//first check arguments to perform actions
if (_server->hasArg("widget")){
uint16_t id = _server->arg("widget").toInt();
ATCURVALUES res = _database->getResult(id);
if (res.type == ATTYPE_SWITCHOUT) {
_database->toggleResult(id);
if (_onResultChange) _onResultChange(id);
}
}
char tmp1[20];
char htmlbuf[256];
_server->setContentLength(CONTENT_LENGTH_UNKNOWN);
//Header
_server->send(200, "text/html",HTML_HEADER);
//IP Adresse for reload script
WiFi.localIP().toString().toCharArray(tmp1,20);
sprintf(htmlbuf,HTML_SCRIPT,tmp1);
_server->sendContent(htmlbuf);
_server->sendContent(HTML_HEADER_END);
_server->sendContent("<div class=\"titel\">ArduiTouch Smart Home</div>\n");
sendResults();
//Das Formular mit den Eingabefeldern wird mit den aktuellen Werten befüllt
//sprintf(htmlbuf,HTML_CONFIG,txtSSID,txtPassword,txtUser,txtPwd,txtId);
//und an den Browsewr gesendet
//server->sendContent("<h1>SMART Home</h1>");
sprintf(htmlbuf,HTML_END_RELOAD,refresh*1000);
_server->sendContent(htmlbuf);
}
void AT_Webserver::handleNotFound(){
String message = "File Not Found\n\n";
message += "URI: ";
message += _server->uri();
message += "\nMethod: ";
message += (_server->method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: ";
message += _server->args();
message += "\n";
for (uint8_t i = 0; i < _server->args(); i++) {
message += " " + _server->argName(i) + ": " + _server->arg(i) + "\n";
}
_server->send(404, "text/plain", message);
}
uint32_t AT_Webserver::convertColor(uint16_t color565) {
uint8_t r = (color565 >> 11)*8;
uint8_t g = ((color565 >> 5) & 0x3f)*4;
uint8_t b = (color565 & 0x1f)*8;
return r*65536+g*256+b;
}
//show a list of results with custom widgets
void AT_Webserver::sendResults(){
String msg;
uint16_t x,y;
x = 0; y = 0;
ATDISPLAYPAGE pg;
ATDISPLAYWIDGET wdg;
_server->sendContent("<form method='post'>\n");
for (uint8_t p = 0; p<ATMAXPAGES; p++) {
pg = _database->getPage(p);
for (uint8_t i = 0;i<ATWIDGETSPERPAGE;i++) {
wdg = pg.widgets[i];
if (wdg.status == ATWIDGET_USED) {
switch (wdg.type) {
case ATWIDGET_SIMPLE: sendSimpleWidget(wdg); break;
}
}
}
}
_server->sendContent("</form>\n");
}
//show a simple widget
void AT_Webserver::sendSimpleWidget(ATDISPLAYWIDGET wdg){
char htmlbuf[256];
const char * flo[] = {"inline-start","left","right"};
const char * weight[] = {"normal","bold"};
String val;
String msg;
uint16_t fill;
uint8_t width;
uint8_t iflo;
uint8_t iwgt;
fill = wdg.bgcolor;
if (_database->isSwitchOut(wdg.source)) {
val = ATTXTOFF;
if (_database->getBooleanValue(wdg.source)==0) {
fill = wdg.bgcolorOn;
val = ATTXTON;
}
} else {
val = _database->getValueString(wdg.source,wdg.precision,true);
}
iflo = 0;
iwgt = (wdg.size == ATWIDGET_SMALL)?0:1;
width = 100;
switch (wdg.size) {
case ATWIDGET_LEFT: iflo=1; width = 50; break;
case ATWIDGET_RIGHT: iflo=2; width = 50; break;
}
sprintf(htmlbuf,AT_WIDGET_TEMPLATE,wdg.source,convertColor(fill),convertColor(wdg.bgcolor),convertColor(wdg.fontcolor),15,weight[iwgt],width,flo[iflo]);
_server->sendContent(htmlbuf);
if (wdg.size == ATWIDGET_SMALL) {
msg = wdg.label + " " + val;
_server->sendContent(msg);
} else
{
_server->sendContent(wdg.label+"<br>");
String msg = wdg.label+" "+val;
_server->sendContent(val);
}
_server->sendContent("</div></button>\n");
}
//register a callback function result change event
void AT_Webserver::registerOnResultChange(void (*callback)(uint16_t index)){
_onResultChange = callback;
}