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0001 /* GCompris - Bulb.qml
0002 *
0003 * SPDX-FileCopyrightText: 2020 Aiswarya Kaitheri Kandoth <aiswaryakk29@gmail.com>
0004 *
0005 * Authors:
0006 * Bruno Coudoin <bruno.coudoin@gcompris.net> (GTK+ version)
0007 * Aiswarya Kaitheri Kandoth <aiswaryakk29@gmail.com> (Qt Quick port)
0008 *
0009 * SPDX-License-Identifier: GPL-3.0-or-later
0010 */
0011 import QtQuick 2.12
0012 import GCompris 1.0
0013 import "../analog_electricity.js" as Activity
0014
0015 ElectricalComponent {
0016 id: redLed //to form an LED, connecting diode, resistor of 19 ohm and voltage source of 1.84v in series
0017 terminalSize: 0.2
0018 noOfConnectionPoints: 2
0019 information: qsTr("Red LED converts electrical energy into red light energy. It can glow only if the current flow is in the direction of the arrow. Electrical energy more than a certain limit can break it.")
0020 source: Activity.url + "red_led_off.svg"
0021
0022 property var nodeVoltages: [0, 0]
0023 property double componentVoltage: 0
0024 property double power: 0
0025 property double powerThreshold: 0.01 //in W
0026 property double powerMax: 0.08
0027 property alias connectionPoints: connectionPoints
0028 property bool isBroken: false
0029 property var connectionPointPosX: [0.1, 0.9]
0030 property string componentName: "RedLed"
0031 property var internalNetlistIndex: [0, 0]
0032 property var externalNetlistIndex: [0, 0]
0033 property var netlistModel:
0034 [
0035 "d",
0036 [
0037 ],
0038 {
0039 "name": componentName,
0040 "area": "1",
0041 "_json_": 0
0042 },
0043 [
0044 0,
0045 0
0046 ]
0047 ]
0048
0049 Item {
0050 id: resistor
0051 property int jsonNumber: 0
0052 property double current: 0
0053 property var netlistModel:
0054 [
0055 "r",
0056 [
0057 ],
0058 {
0059 "name": "resistor-",
0060 "r": "19",
0061 "_json_": 0
0062 },
0063 [
0064 0,
0065 0
0066 ]
0067 ]
0068 }
0069
0070 Item {
0071 id: vSource //Forward bias voltage of Red LED is 1.84v
0072 property int jsonNumber: 0
0073 property double current: 0
0074 property var netlistModel:
0075 [
0076 "v",
0077 [
0078 ],
0079 {
0080 "name": "vSource-",
0081 "value": "dc(1.84)",
0082 "_json_": 0
0083 },
0084 [
0085 0,
0086 0
0087 ]
0088 ]
0089 }
0090
0091 Repeater {
0092 id: connectionPoints
0093 model: 2
0094 delegate: connectionPoint
0095 Component {
0096 id: connectionPoint
0097 TerminalPoint {
0098 posX: connectionPointPosX[index]
0099 posY: 0.85
0100 }
0101 }
0102 }
0103
0104 Image {
0105 id: ledLight
0106 source: Activity.url + "red_led_on.svg"
0107 anchors.fill: parent
0108 sourceSize.width: width
0109 sourceSize.height: height
0110 fillMode: Image.PreserveAspectFit
0111 opacity: 0
0112 }
0113
0114 Image {
0115 id: ledArrow
0116 source: isBroken ? Activity.url + "red_led_arrowBroken.svg" : Activity.url + "red_led_arrow.svg"
0117 anchors.fill: parent
0118 sourceSize.width: width
0119 sourceSize.height: height
0120 fillMode: Image.PreserveAspectFit
0121 opacity: 1
0122 }
0123
0124 function repairComponent() {
0125 redLed.source = Activity.url + "red_led_off.svg";
0126 isBroken = false;
0127 }
0128
0129 function checkConnections() {
0130 terminalConnected = 0;
0131 for(var i = 0; i < noOfConnectionPoints; i++) {
0132 if(connectionPoints.itemAt(i).wires.length > 0)
0133 terminalConnected += 1;
0134 }
0135 }
0136
0137 function updateValues() {
0138 power = 1.84 * (vSource.current);
0139 if(power >= powerThreshold && power < powerMax) {
0140 ledLight.opacity = 1;
0141 } else if(power < powerThreshold) {
0142 ledLight.opacity = 0;
0143 } else if(power >= powerMax) {
0144 ledLight.opacity = 0;
0145 redLed.source = Activity.url + "red_led_broken.svg";
0146 isBroken = true;
0147 Activity.restartTimer();
0148 }
0149 }
0150
0151 function initConnections() {
0152 var connectionIndex = Activity.connectionCount;
0153 redLed.externalNetlistIndex[0] = ++connectionIndex;
0154 connectionPoints.itemAt(0).updateNetlistIndex(connectionIndex);
0155 redLed.internalNetlistIndex[0] = ++connectionIndex;
0156 redLed.internalNetlistIndex[1] = ++connectionIndex;
0157 redLed.externalNetlistIndex[1] = ++connectionIndex;
0158 connectionPoints.itemAt(1).updateNetlistIndex(connectionIndex);
0159 Activity.connectionCount = connectionIndex;
0160 }
0161
0162 function addToNetlist() {
0163 if(!isBroken) {
0164 var netlistItem = redLed.netlistModel;
0165 Activity.netlistComponents.push(redLed);
0166 netlistItem[2].name = componentName;
0167 netlistItem[2]._json = Activity.netlist.length;
0168 netlistItem[3][0] = redLed.externalNetlistIndex[0];
0169 netlistItem[3][1] = redLed.internalNetlistIndex[0];
0170 Activity.netlist.push(netlistItem);
0171
0172 netlistItem = resistor.netlistModel;
0173 Activity.netlistComponents.push(resistor);
0174 netlistItem[2].name = "resistor-" + componentName;
0175 netlistItem[2]._json = Activity.netlist.length;
0176 netlistItem[3][0] = redLed.internalNetlistIndex[0];
0177 netlistItem[3][1] = redLed.internalNetlistIndex[1];
0178 Activity.netlist.push(netlistItem);
0179
0180 netlistItem = vSource.netlistModel;
0181 Activity.netlistComponents.push(vSource);
0182 Activity.vSourcesList.push(vSource);
0183 netlistItem[2].name = "vSource-" + componentName;
0184 netlistItem[2]._json = Activity.netlist.length;
0185 netlistItem[3][0] = redLed.internalNetlistIndex[1]; //positive terminal to the resistor
0186 netlistItem[3][1] = redLed.externalNetlistIndex[1];
0187 Activity.netlist.push(netlistItem);
0188 }
0189 }
0190
0191 function checkComponentAnswer() {
0192 if(ledLight.opacity === 1) {
0193 return "redLedGlows";
0194 } else if(terminalConnected >= 2 && isBroken) {
0195 return "redLedBroken";
0196 } else if(terminalConnected >= 2)
0197 return "redLedIn";
0198 else
0199 return "";
0200 }
0201 }