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/*****************************************************************************
# #
# KVMD - The main Pi-KVM daemon. #
# #
# Copyright (C) 2018 Maxim Devaev <[email protected]> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
"use strict";
import {tools, $, $$$} from "../tools.js";
import {wm} from "../wm.js";
export function Gpio() {
var self = this;
/************************************************************************/
var __state = null;
/************************************************************************/
self.setState = function(state) {
if (state) {
for (let channel in state.inputs) {
let el = $(`gpio-led-${channel}`);
if (el) {
__setLedState(el, state.inputs[channel].state);
}
}
for (let channel in state.outputs) {
for (let type of ["switch", "button"]) {
let el = $(`gpio-${type}-${channel}`);
if (el) {
wm.switchEnabled(el, !state.outputs[channel].busy);
}
}
}
} else {
for (let el of $$$(".gpio-led")) {
__setLedState(el, false);
}
for (let selector of [".gpio-switch", ".gpio-button"]) {
for (let el of $$$(selector)) {
wm.switchEnabled(el, false);
}
}
}
__state = state;
};
self.setModel = function(model) {
tools.featureSetEnabled($("gpio-dropdown"), model.view.table.length);
if (model.view.table.length) {
$("gpio-menu-button").innerHTML = `${model.view.header.title} ↴`;
}
let switches = [];
let buttons = [];
let content = "<table class=\"kv\">";
for (let row of model.view.table) {
if (row === null) {
content += "</table><hr><table class=\"kv\">";
} else {
content += "<tr>";
for (let item of row) {
if (item.type === "output") {
item.scheme = model.scheme.outputs[item.channel];
}
content += `<td align="center">${__createItem(item, switches, buttons)}</td>`;
}
content += "</tr>";
}
}
content += "</table>";
$("gpio-menu").innerHTML = content;
for (let channel of switches) {
tools.setOnClick($(`gpio-switch-${channel}`), () => __switchChannel(channel));
}
for (let channel of buttons) {
tools.setOnClick($(`gpio-button-${channel}`), () => __pulseChannel(channel));
}
self.setState(__state);
};
var __createItem = function(item, switches, buttons) {
if (item.type === "label") {
return item.text;
} else if (item.type === "input") {
return `<img id="gpio-led-${item.channel}" class="gpio-led inline-lamp-big led-gray" src="/share/svg/led-circle.svg" />`;
} else if (item.type === "output") {
let controls = [];
if (item.scheme["switch"]) {
switches.push(item.channel);
controls.push(`
<td><div class="switch-box">
<input disabled type="checkbox" id="gpio-switch-${item.channel}" class="gpio-switch" />
<label for="gpio-switch-${item.channel}">
<span class="switch-inner"></span>
<span class="switch"></span>
</label>
</div></td>
`);
}
if (item.scheme.pulse.delay) {
buttons.push(item.channel);
controls.push(`<td><button disabled id="gpio-button-${item.channel}" class="gpio-button">${item.text}</button></td>`);
}
return `<table><tr>${controls.join("<td> </td>")}</tr></table>`;
} else {
return "";
}
};
var __setLedState = function(el, state) {
if (state) {
el.classList.add("led-green");
el.classList.remove("led-gray");
} else {
el.classList.add("led-gray");
el.classList.remove("led-green");
}
};
var __switchChannel = function(channel) {
let to = ($(`gpio-switch-${channel}`).checked ? "1" : "0");
__sendPost(`/api/gpio/switch?channel=${channel}&state=${to}`);
};
var __pulseChannel = function(channel) {
__sendPost(`/api/gpio/pulse?channel=${channel}`);
};
var __sendPost = function(url) {
let http = tools.makeRequest("POST", url, function() {
if (http.readyState === 4) {
if (http.status === 409) {
wm.error("Performing another operation for this GPIO channel.<br>Please try again later");
} else if (http.status !== 200) {
wm.error("GPIO error:<br>", http.responseText);
}
}
});
};
}
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