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fix: scroll mehod reword

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This commit is contained in:
JimQing 2020-07-12 18:33:46 +08:00
parent b8a99e75cf
commit 67c38d8127
1 changed files with 39 additions and 18 deletions
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55
src/view/CodemirrorEditor.vue
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@ -19,7 +19,13 @@
<textarea id="editor" type="textarea" placeholder="Your markdown text here." v-model="source">
</textarea>
</el-col>
<el-col :span="12" class="preview-wrapper" id="preview" :class="{'preview-wrapper_night': nightMode && isCoping}">
<el-col
:span="12"
class="preview-wrapper"
id="preview"
ref="preview"
:class="{'preview-wrapper_night': nightMode && isCoping}"
>
<section id="output-wrapper" :class="{'output_night': nightMode && !backLight}">
<div class="preview">
<section id="output" v-html="output">
@ -193,26 +199,41 @@ export default {
})
}
},
// 左右栏同步滚动
leftAndRightScroll() {
const _this = this;
const previewRef = document.getElementById('preview');
const scrollCB = text=> {
let source, target;
previewRef.addEventListener("scroll", function callback() {
clearTimeout(_this.timeout)
clearTimeout(this.timeout);
if (text === 'preview') {
source = this.$refs.preview.$el;
target = document.getElementsByClassName('CodeMirror-scroll')[0];
this.editor.off('scroll', editorScrollCB);
this.timeout = setTimeout(()=> {
this.editor.on('scroll', editorScrollCB);
}, 300);
} else if (text === 'editor') {
source = document.getElementsByClassName('CodeMirror-scroll')[0];
target = this.$refs.preview.$el;
target.removeEventListener("scroll", previewScrollCB, false);
this.timeout = setTimeout(()=> {
target.addEventListener("scroll", previewScrollCB, false);
}, 300);
}
let source = this
let target = this.id === 'preview' ? document.getElementsByClassName('CodeMirror-scroll')[0] : previewRef;
let percentage = source.scrollTop / (source.scrollHeight - source.offsetHeight);
let height = percentage * (target.scrollHeight - target.offsetHeight);
target.removeEventListener("scroll", callback, false);
let percentage = source.scrollTop / (source.scrollHeight - source.offsetHeight)
let height = percentage * (target.scrollHeight - target.offsetHeight)
target.scrollTo(0, height)
target.scrollTo(0, height);
};
const editorScrollCB = ()=> {
scrollCB('editor');
};
const previewScrollCB = ()=> {
scrollCB('preview');
};
_this.timeout = setTimeout(()=> {
target.addEventListener("scroll", callback, false);
}, 300)
}, false);
this.$refs.preview.$el.addEventListener("scroll", previewScrollCB, false);
this.editor.on('scroll', editorScrollCB);
},
onEditorRefresh() {
this.editorRefresh();
@ -232,8 +253,8 @@ export default {
'initCssEditorEntity'])
},
mounted() {
this.leftAndRightScroll();
setTimeout(() => {
this.leftAndRightScroll();
PR.prettyPrint()
}, 300);
}