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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,187 @@ | ||
| <template> | ||
| <div class="code-editor"> | ||
| <input class="code-input" | ||
| :value="value" | ||
| @input="updateValue($event.target.value)" | ||
| @keydown="handleKeyDown" | ||
| @scroll="handleScroll" | ||
| ref="codeEditor"/> | ||
| <div v-if="showSuggestions" class="suggestions-box" :style="suggestionsBoxStyle"> | ||
| <div v-for="(suggestion, index) in filteredSuggestions" | ||
| :key="index" | ||
| @click="applySuggestion(suggestion)" | ||
| @mouseover="selectedIndex = index" | ||
| class="suggestion-item" | ||
| :class="{ selected: index === selectedIndex }"> | ||
| {{ suggestion }} | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </template> | ||
|
|
||
| <script> | ||
| export default { | ||
| props: { | ||
| value: String, | ||
| suggestions: { | ||
| type: Array, | ||
| default: () => [] | ||
| } | ||
| }, | ||
| data () { | ||
| return { | ||
| filteredSuggestions: [], | ||
| showSuggestions: false, | ||
| selectedIndex: 0, | ||
| currentWord: '', | ||
| cursorPosition: { top: 0, left: 0 }, | ||
| scrollTop: 0 | ||
| } | ||
| }, | ||
| computed: { | ||
| suggestionsBoxStyle () { | ||
| return { | ||
| top: `${this.cursorPosition.top - this.scrollTop + 20}px`, | ||
| left: `${this.cursorPosition.left}px` | ||
| } | ||
| } | ||
| }, | ||
| methods: { | ||
| updateValue (value) { | ||
| this.$emit('input', value) | ||
| this.handleInput() | ||
| }, | ||
| handleInput () { | ||
| const cursorPosition = this.$refs.codeEditor.selectionStart | ||
| const textBeforeCursor = this.value.slice(0, cursorPosition) | ||
| const words = textBeforeCursor.split(/\s+/) | ||
| this.currentWord = words[words.length - 1] | ||
| if (this.currentWord.length > 0) { | ||
| this.filteredSuggestions = this.suggestions.filter(s => | ||
| s.toLowerCase().startsWith(this.currentWord.toLowerCase()) | ||
| ) | ||
| this.showSuggestions = this.filteredSuggestions.length > 0 | ||
| this.selectedIndex = 0 | ||
| this.updateCursorPosition() | ||
| } else { | ||
| this.showSuggestions = false | ||
| } | ||
| }, | ||
| handleKeyDown (e) { | ||
| if (this.showSuggestions) { | ||
| switch (e.key) { | ||
| case 'ArrowDown': | ||
| e.preventDefault() | ||
| this.selectedIndex = (this.selectedIndex + 1) % this.filteredSuggestions.length | ||
| break | ||
| case 'ArrowUp': | ||
| e.preventDefault() | ||
| this.selectedIndex = (this.selectedIndex - 1 + this.filteredSuggestions.length) % | ||
| this.filteredSuggestions.length | ||
| break | ||
| case 'Enter': | ||
| case 'Tab': | ||
| e.preventDefault() | ||
| this.applySuggestion(this.filteredSuggestions[this.selectedIndex]) | ||
| break | ||
| case 'Escape': | ||
| this.showSuggestions = false | ||
| break | ||
| } | ||
| } | ||
| }, | ||
| applySuggestion (suggestion) { | ||
| const cursorPosition = this.$refs.codeEditor.selectionStart | ||
| const textBeforeCursor = this.value.slice(0, cursorPosition) | ||
| const textAfterCursor = this.value.slice(cursorPosition) | ||
| const lastSpaceIndex = textBeforeCursor.lastIndexOf(' ') | ||
| const newTextBeforeCursor = textBeforeCursor.slice(0, lastSpaceIndex + 1) + suggestion | ||
| const newValue = newTextBeforeCursor + textAfterCursor | ||
| this.updateValue(newValue) | ||
| this.$nextTick(() => { | ||
| this.$refs.codeEditor.selectionStart = this.$refs.codeEditor.selectionEnd = newTextBeforeCursor.length | ||
| this.$refs.codeEditor.focus() | ||
| }) | ||
| this.showSuggestions = false | ||
| }, | ||
| updateCursorPosition () { | ||
| const textarea = this.$refs.codeEditor | ||
| const cursorPosition = textarea.selectionStart | ||
| const textBeforeCursor = this.value.slice(0, cursorPosition) | ||
| // const lines = textBeforeCursor.split('\n') | ||
| // const currentLine = lines.length | ||
| // const currentLineText = lines[lines.length - 1] | ||
| const temp = document.createElement('div') | ||
| temp.style.position = 'absolute' | ||
| temp.style.top = '-9999px' | ||
| temp.style.left = '-9999px' | ||
| temp.style.width = textarea.clientWidth + 'px' | ||
| temp.style.height = 'auto' | ||
| temp.style.whiteSpace = 'pre-wrap' | ||
| temp.style.wordWrap = 'break-word' | ||
| temp.style.font = window.getComputedStyle(textarea).font | ||
| temp.textContent = textBeforeCursor + '\n' | ||
| document.body.appendChild(temp) | ||
| const { lineHeight } = window.getComputedStyle(textarea) | ||
| // const textareaRect = textarea.getBoundingClientRect() | ||
| this.cursorPosition = { | ||
| top: temp.clientHeight - parseFloat(lineHeight) + textarea.offsetTop, | ||
| left: textarea.offsetLeft + 10 | ||
| } | ||
| document.body.removeChild(temp) | ||
| }, | ||
| handleScroll () { | ||
| this.scrollTop = this.$refs.codeEditor.scrollTop | ||
| if (this.showSuggestions) { | ||
| this.updateCursorPosition() | ||
| } | ||
| } | ||
| } | ||
| } | ||
| </script> | ||
|
|
||
| <style scoped> | ||
| .code-editor { | ||
| position: relative; | ||
| color: black; | ||
| display: inline-block; | ||
| } | ||
| .code-input { | ||
| width: 100%; | ||
| font-family: monospace; | ||
| resize: none; | ||
| display: inline-block; | ||
| line-height: 15px; | ||
| margin-bottom: 0; | ||
| font-size: 13px; | ||
| border: 1px solid grey; | ||
| padding: 4.5px; | ||
| border-radius: 20px; | ||
| } | ||
| .suggestions-box { | ||
| position: absolute; | ||
| background: white; | ||
| border: 1px solid #ccc; | ||
| border-radius: 4px; | ||
| max-height: 150px; | ||
| overflow-y: auto; | ||
| z-index: 1000; | ||
| width: 200px; | ||
| box-shadow: 0 2px 10px rgba(0,0,0,0.1); | ||
| } | ||
| .suggestion-item { | ||
| cursor: pointer; | ||
| line-height: 20px; | ||
| } | ||
| .suggestion-item.selected { | ||
| background-color: #f0f0f0; | ||
| } | ||
| </style> |
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