From ef1b927861f9a949aed20341144ffb5bfd42f038 Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Mon, 19 Sep 2022 11:22:21 +1000
Subject: Removing the web client

---
 javascript/app/utils/line-selection.js | 111 ---------------------------------
 1 file changed, 111 deletions(-)
 delete mode 100644 javascript/app/utils/line-selection.js

(limited to 'javascript/app/utils/line-selection.js')

diff --git a/javascript/app/utils/line-selection.js b/javascript/app/utils/line-selection.js
deleted file mode 100644
index d2e55e3..0000000
--- a/javascript/app/utils/line-selection.js
+++ /dev/null
@@ -1,111 +0,0 @@
-function initializeLineSelection(sourceCodeContainerElement,component) {
-  const lineNumbers = Array.prototype.slice.call(sourceCodeContainerElement.querySelectorAll("td.line-number"));
-  if(lineNumbers.length > 0) {
-    const onhashchange = function () {
-      highlightSelectedLines(sourceCodeContainerElement);
-    }
-    window.addEventListener("hashchange",onhashchange);
-    component._onhashchange = onhashchange;
-
-    let shiftPressed;
-    const onkeydown = function (event) {
-      if(event.keyCode === 16) { shiftPressed = true; }
-    };
-    const onkeyup = function (event) {
-      if(event.keyCode === 16) { shiftPressed = false; }
-    };
-
-    document.addEventListener('keydown',onkeydown);
-    document.addEventListener('keyup',onkeyup);
-    component._onkeydown = onkeydown;
-    component._onkeyup = onkeyup;
-
-    let selectedLine1,selectedLine2;
-    lineNumbers.forEach((lineNumberElement) => {
-      lineNumberElement.onclick = function()  {
-        const number = parseInt(this.textContent);
-        if(shiftPressed && selectedLine1) {
-          if(selectedLine1 != number) {
-            selectedLine2 = number;
-            if(selectedLine1 < selectedLine2) {
-              highlightLines(sourceCodeContainerElement,selectedLine1,selectedLine2);
-              window.location.hash = "L"+selectedLine1+"-L"+selectedLine2;
-            } else {
-              highlightLines(sourceCodeContainerElement,selectedLine2,selectedLine1);
-              window.location.hash = "L"+selectedLine2+"-L"+selectedLine1;
-            }
-          }
-        } else {
-          selectedLine1 = number;
-          selectedLine2 = null;
-          highlightLines(sourceCodeContainerElement,selectedLine1,selectedLine1);
-          window.location.hash = "L"+number;
-        }
-      }
-    });
-    const lines = highlightSelectedLines(sourceCodeContainerElement);
-    if(lines.length) {
-      selectedLine1 = lines[0];
-      selectedLine2 = lines[1];
-    }
-  }
-}
-
-function highlightSelectedLines (sourceCodeContainerElement) {
-  const lineInfo = window.location.hash.slice(1);
-  if(lineInfo) {
-    if(lineInfo.includes('-')) {
-      const lines = lineInfo.split("-");
-      const lineNumber1 = parseInt(lines[0].substring(1));
-      const lineNumber2 = parseInt(lines[1].substring(1));
-      if(lineNumber1 && lineNumber2 && lineNumber1 <= lineNumber2) {
-        highlightLines(sourceCodeContainerElement,lineNumber1,lineNumber2);
-        const line = sourceCodeContainerElement.querySelector("td#LC"+lineNumber1);
-        if(line) {
-          scrollLineIntoView(line,sourceCodeContainerElement);
-        }
-        return [lineNumber1,lineNumber2];
-      }
-    } else {
-      const lineNumber = parseInt(lineInfo.substring(1));
-      if(lineNumber) {
-        highlightLines(sourceCodeContainerElement,lineNumber,lineNumber);
-        const line = sourceCodeContainerElement.querySelector("td#LC"+lineNumber);
-        if(line) {
-          scrollLineIntoView(line,sourceCodeContainerElement);
-        }
-        return [lineNumber];
-      }
-    }
-  } else {
-    highlightLines(sourceCodeContainerElement,0,0);
-    return [];
-  }
-}
-
-function scrollLineIntoView(lineElement,sourceCodeContainerElement) {
-  lineElement.parentNode.scrollIntoView();
-  const container = sourceCodeContainerElement.parentNode.parentNode;
-  const windowHeight = container.offsetHeight;
-  const fullHeight = sourceCodeContainerElement.offsetHeight;
-
-  if(fullHeight - container.scrollTop > windowHeight) {
-    container.scrollTop = container.scrollTop - (windowHeight/2 - 20);
-  }
-}
-
-function highlightLines(parentElement,startLine,endLine) {
-  const lineElements = Array.prototype.slice.call(parentElement.querySelectorAll("td.line-content"));
-  lineElements.forEach((lineElement) => {
-    const number = parseInt(lineElement.id.substring(2)); //<td "id"="LC10">...</td>
-    if(number >= startLine && number <= endLine) {
-      lineElement.classList.add('highlighted-line');
-    } else {
-      lineElement.classList.remove('highlighted-line');
-    }
-  });
-}
-
-export {
-  initializeLineSelection,highlightLines,highlightSelectedLines
-}
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