Add files via upload

kpole · Jun 18, 2020 · 6d13670 · 6d13670
1 parent c43e194
commit 6d13670
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Showing 2 changed files with 7 additions and 12 deletions.
diff --git a/scripts/drawstatediagram.js b/scripts/drawstatediagram.js
@@ -1,4 +1,5 @@
 total = 0;
+// 将项目内容添加到divNode中
 function addItemContentToItemNode(divNode, index){
     let preNode = document.createElement('pre');
     preNode.className = "item-node";
@@ -26,7 +27,7 @@ function addItemContentToItemNode(divNode, index){
     divNode.style.width = (MaxLength + 6) * 30 + "px";
     divNode.style.height = (set.size) * 24 + 5 + "px";
 }
-
+// 创建div
 function drawStateDiagram(){
     let container = document.getElementById("parse-state-container");
     container.innerHTML = "";
@@ -37,10 +38,6 @@ function drawStateDiagram(){
     let depth = temp[0]; // 每个点的depth
     let list = temp[1]; // 拓扑序排序之后
     let colNum = new Array(itemCounts);
-    // console.log(edges);
-    // console.log(depth);
-    // console.log(items);
-    // console.log(list);
 
     for(let i = 0; i < itemCounts; i++)colNum[i] = 0;
     for(let i = 0; i < itemCounts; i ++){
@@ -60,7 +57,7 @@ function drawStateDiagram(){
     container.style.height = Math.max(...colNum) * 350 + "px";
     drawStateLine();
 }
-
+// 绘制边
 function drawStateLine(){
     let itemCounts = items.length;
     jsPlumb.ready(function () {

diff --git a/scripts/index.js b/scripts/index.js
@@ -284,7 +284,7 @@ function showAllParseStep(){
     // if(value == '') return;
     // parse_step = analysis(value);
     if(parse_step == undefined ||  parse_step == '') parseTextChange();
-    if(parse_step == undefined) return;
+    if(parse_step == undefined || parse_step == '') return;
     let table = document.createElement("table");
     table.id = "parse-steps";
     let tr = document.createElement("tr");
@@ -317,13 +317,9 @@ function getLastNumber(str){
 
 
 function changeStateDiagram(){
-    // console.log(curIndex);
-    // console.log(parse_step[curIndex]);
     let curStateIndex = getLastNumber(parse_step[curIndex][0]);
-    // console.log("cur" + curStateIndex);
     if(curIndex > 0) {
         let pastStateIndex = getLastNumber(parse_step[curIndex-1][0]);
-        // console.log("past" + pastStateIndex);
         document.getElementById("item_" + total+ pastStateIndex).classList.remove("item-current");
     }
     document.getElementById("item_" + total+ curStateIndex).classList.add("item-current");
@@ -358,7 +354,7 @@ function showOneStepOfParse(){
 // 点击页面“单步演示”按钮触发该函数
 function parseTextOneStep(){
     if(parse_step == undefined ||  parse_step == '') parseTextChange();
-    if(parse_step == undefined) return;
+    if(parse_step == undefined || parse_step == '') return;
     if(curIndex == 0){
         let table = document.createElement("table");
         table.id = "parse-steps";
@@ -381,6 +377,8 @@ function parseTextOneStep(){
 function clearParseText(){
     document.getElementById("parse-steps-container").innerHTML = '';
     document.getElementById("parse-text").value = '';
+    let pastStateIndex = getLastNumber(parse_step[curIndex][0]);
+    document.getElementById("item_" + total+ pastStateIndex).classList.remove("item-current");
     parse_step = "";
     curIndex = 0;
 }