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added client response to disconnection
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,152 +1,189 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <title>Gate Control</title> | ||
|
|
||
| <style> | ||
| body { | ||
| color: white; | ||
| background: hsl(221, 33%, 13%); | ||
| font-family: sans-serif; | ||
| display: grid; | ||
| place-items: center; | ||
| height: 100dvh; | ||
| margin: 0; | ||
| } | ||
|
|
||
| body > div { | ||
| display: grid; | ||
| place-items: center; | ||
| gap: 10px; | ||
| } | ||
|
|
||
| h1 { | ||
| margin: 0; | ||
| } | ||
|
|
||
| button { | ||
| border: 1px solid hsl(221, 33%, 30%); | ||
| padding: 10px 15px; | ||
| color: white; | ||
| text-decoration: none; | ||
| border-radius: 50px; | ||
| transition-duration: .1s; | ||
| background:hsl(221, 33%, 15%); | ||
| } | ||
|
|
||
| button:hover { | ||
| background:hsl(221, 33%, 30%); | ||
| } | ||
|
|
||
| button:active { | ||
| background:hsl(221, 33%, 10%); | ||
| } | ||
|
|
||
| div.controlbar { | ||
| display: flex; | ||
| gap: 10px; | ||
| } | ||
|
|
||
| .state { | ||
| border-radius: 50px; | ||
| display: block; | ||
| width: 16px; | ||
| height: 16px; | ||
| transition-duration: .5s; | ||
| } | ||
|
|
||
| .state.indeterminate { | ||
| background: rgb(255, 255, 82); | ||
| } | ||
|
|
||
| .state.raised { | ||
| background: rgb(79, 235, 79); | ||
| } | ||
|
|
||
| .state.lowered { | ||
| background: rgb(255, 70, 70); | ||
| } | ||
|
|
||
| .state-block { | ||
| display: flex; | ||
| align-items: center; | ||
| gap: 10px; | ||
| padding: 13px 15px; | ||
| border: 1px solid hsl(221, 33%, 30%); | ||
| border-radius: 15px; | ||
| } | ||
|
|
||
| .state-container { | ||
| display: flex; | ||
| align-items: center; | ||
| gap: 15px; | ||
| padding-top: 10px; | ||
| } | ||
|
|
||
| p { | ||
| margin: 0; | ||
| } | ||
| body { | ||
| color: white; | ||
| background: hsl(221, 33%, 13%); | ||
| font-family: sans-serif; | ||
| display: grid; | ||
| place-items: center; | ||
| height: 100dvh; | ||
| margin: 0; | ||
| } | ||
|
|
||
| body > div { | ||
| display: grid; | ||
| place-items: center; | ||
| gap: 10px; | ||
| } | ||
|
|
||
| h1 { | ||
| margin: 0; | ||
| } | ||
|
|
||
| button { | ||
| border: 1px solid hsl(221, 33%, 30%); | ||
| padding: 10px 15px; | ||
| color: white; | ||
| text-decoration: none; | ||
| border-radius: 50px; | ||
| transition-duration: .1s; | ||
| background:hsl(221, 33%, 15%); | ||
| } | ||
|
|
||
| button:hover { | ||
| background:hsl(221, 33%, 30%); | ||
| } | ||
|
|
||
| button:active { | ||
| background:hsl(221, 33%, 10%); | ||
| } | ||
|
|
||
| button:disabled { | ||
| opacity: 0.35; | ||
| pointer-events: none; | ||
| } | ||
|
|
||
| div.controlbar { | ||
| display: flex; | ||
| gap: 10px; | ||
| } | ||
|
|
||
| .state { | ||
| border-radius: 50px; | ||
| display: block; | ||
| width: 16px; | ||
| height: 16px; | ||
| transition-duration: .5s; | ||
| background: hsl(221, 33%, 30%); | ||
| } | ||
|
|
||
| .state.indeterminate { | ||
| background: rgb(255, 255, 82); | ||
| } | ||
|
|
||
| .state.raised { | ||
| background: rgb(79, 235, 79); | ||
| } | ||
|
|
||
| .state.lowered { | ||
| background: rgb(255, 70, 70); | ||
| } | ||
|
|
||
| .state-block { | ||
| display: flex; | ||
| align-items: center; | ||
| gap: 10px; | ||
| padding: 13px 15px; | ||
| border: 1px solid hsl(221, 33%, 30%); | ||
| border-radius: 15px; | ||
| } | ||
|
|
||
| .state-container { | ||
| display: flex; | ||
| align-items: center; | ||
| gap: 15px; | ||
| padding-top: 10px; | ||
| } | ||
|
|
||
| p { | ||
| margin: 0; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| <div> | ||
| <h1>Control Page</h1> | ||
|
|
||
| <div class="controlbar"> | ||
| <button disabled id="send-up">Raise</button> | ||
| <button disabled id="send-down">Lower</button> | ||
| </div> | ||
|
|
||
| <div class="state-container"> | ||
| <p>Gate state: </p> | ||
| <div class="state-block"> | ||
| <span class="state indeterminate"></span> | ||
| <p>Unknown</p> | ||
| </div> | ||
| <script> | ||
| const message_responses = { | ||
| raised: { | ||
| style: 'raised', | ||
| text: 'Raised' | ||
| }, | ||
| raising: { | ||
| style: 'indeterminate', | ||
| text: 'Raising...' | ||
| }, | ||
| lowered: { | ||
| style: 'lowered', | ||
| text: 'Lowered' | ||
| }, | ||
| lowering: { | ||
| style: 'indeterminate', | ||
| text: 'Lowering...' | ||
| } | ||
| }; | ||
| </script> | ||
| </head> | ||
| <body> | ||
| <div> | ||
| <h1>Control Page</h1> | ||
|
|
||
| <div class="controlbar"> | ||
| <button disabled id="send-up">Raise</button> | ||
| <button disabled id="send-down">Lower</button> | ||
| </div> | ||
|
|
||
| <div class="state-container"> | ||
| <p>Gate state: </p> | ||
| <div class="state-block"> | ||
| <span class="state"></span> | ||
| <p>Connecting...</p> | ||
| </div> | ||
| </div> | ||
| </div> | ||
|
|
||
| <script> | ||
| let ws = new WebSocket("ws://" + location.host + location.pathname); | ||
| const stateSpan = document.querySelector("span.state"); | ||
| const stateText = document.querySelector("div.state-block > p"); | ||
|
|
||
| ws.addEventListener('message', e => { | ||
| let msg = JSON.parse(e.data); | ||
| if (msg.type == "text") alert(`Text from Server: ${msg.payload}`); | ||
| if (msg.type == "query_state_result") { | ||
| if (msg.payload === "raised") { | ||
| stateSpan.className = "state raised"; | ||
| stateText.innerText = "Raised"; | ||
| } else if (msg.payload === "lowered") { | ||
| stateSpan.className = "state lowered"; | ||
| stateText.innerText = "Lowered"; | ||
| } else if (msg.payload === "raising") { | ||
| stateSpan.className = "state indeterminate"; | ||
| stateText.innerText = "Raising..."; | ||
| } else if (msg.payload === "lowering") { | ||
| stateSpan.className = "state indeterminate"; | ||
| stateText.innerText = "Lowering..."; | ||
| } | ||
| } | ||
| if (msg.type == "availability") alert(`Availability: ${msg.payload}`); | ||
| }); | ||
|
|
||
| function setListener(selector, type, listener) { | ||
| document.querySelector(selector).addEventListener(type, listener); | ||
| } | ||
|
|
||
| function bindMessage(selector, msgObj) { | ||
| setListener(selector, "click", () => ws.send(JSON.stringify(msgObj))); | ||
| } | ||
|
|
||
| ws.addEventListener('open', () => { | ||
| document.querySelectorAll('button').forEach(btn => btn.disabled = false); | ||
| bindMessage("#send-up", { type: "change_state", payload: true }); | ||
| bindMessage("#send-down", { type: "change_state", payload: false }); | ||
| }); | ||
| let ws = new WebSocket("ws://" + location.host + location.pathname); | ||
| const stateSpan = document.querySelector("span.state"); | ||
| const stateText = document.querySelector("div.state-block > p"); | ||
|
|
||
| function setButtonState(state) { | ||
| document.querySelectorAll('#send-up, #send-down').forEach(el => el.disabled = !state); | ||
| } | ||
|
|
||
| ws.addEventListener('message', e => { | ||
| let msg = JSON.parse(e.data); | ||
| if (msg.type == "text") alert(`Text from Server: ${msg.payload}`); | ||
| if (msg.type == "query_state_result") { | ||
| const { text, style } = message_responses[msg.payload]; | ||
| stateSpan.className = "state " + style; | ||
| stateText.innerText = text; | ||
|
|
||
| // disable buttons if the state is raising or lowering | ||
| setButtonState(!(["raising", "lowering"].includes(msg.payload))); | ||
| } | ||
| }); | ||
|
|
||
| ws.addEventListener('close', () => { | ||
| stateSpan.className = "state"; | ||
| stateText.innerText = "Disconnected"; | ||
|
|
||
| setButtonState(false); | ||
| }); | ||
|
|
||
| ws.addEventListener('error', () => { | ||
| stateSpan.className = "state"; | ||
| stateText.innerText = "Communication Error"; | ||
|
|
||
| setButtonState(false); | ||
| }); | ||
|
|
||
| function setListener(selector, type, listener) { | ||
| document.querySelector(selector).addEventListener(type, listener); | ||
| } | ||
|
|
||
| function bindMessage(selector, msgObj) { | ||
| setListener(selector, "click", () => ws.send(JSON.stringify(msgObj))); | ||
| } | ||
|
|
||
| ws.addEventListener('open', () => { | ||
| document.querySelectorAll('button').forEach(btn => btn.disabled = false); | ||
| bindMessage("#send-up", { type: "change_state", payload: true }); | ||
| bindMessage("#send-down", { type: "change_state", payload: false }); | ||
| }); | ||
| </script> | ||
| </body> | ||
| </html> | ||
| </body> | ||
| </html> |
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