feat:add select control

src/editor/assets/css/control/select.css

@@ -0,0 +1,44 @@
+.select-control-popup {
+  max-width: 160px;
+  min-width: 69px;
+  max-height: 225px;
+  position: absolute;
+  z-index: 1;
+  border: 1px solid #e4e7ed;
+  border-radius: 4px;
+  background-color: #fff;
+  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
+  box-sizing: border-box;
+  margin: 5px 0;
+  overflow-y: auto;
+}
+
+.select-control-popup ul {
+  list-style: none;
+  padding: 3px 0;
+  margin: 0;
+  box-sizing: border-box;
+}
+
+.select-control-popup ul li {
+  font-size: 13px;
+  padding: 0 20px;
+  position: relative;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  color: #666;
+  height: 36px;
+  line-height: 36px;
+  box-sizing: border-box;
+  cursor: pointer;
+}
+
+.select-control-popup ul li:hover {
+  background-color: #EEF2FD;
+}
+
+.select-control-popup ul li.active {
+  color: var(--COLOR-HOVER, #5175f4);
+  font-weight: 700;
+}

src/editor/assets/css/index.css

@@ -1,3 +1,5 @@
+@import './control/select.css';
+
 .inputarea {
   width: 0;
   height: 12px;

src/editor/core/draw/control/Control.ts

@@ -1,9 +1,10 @@
 import { ControlComponent, ControlType } from '../../../dataset/enum/Control'
 import { ElementType } from '../../../dataset/enum/Element'
 import { IControlInitOption, IControlInstance, IControlOption } from '../../../interface/Control'
-import { IElement } from '../../../interface/Element'
+import { IElement, IElementPosition } from '../../../interface/Element'
 import { RangeManager } from '../../range/RangeManager'
 import { Draw } from '../Draw'
+import { SelectControl } from './select/SelectControl'
 import { TextControl } from './text/TextControl'
 
 interface IMoveCursorResult {
@@ -40,14 +41,34 @@ export class Control {
     return false
   }
 
+  public getContainer(): HTMLDivElement {
+    return this.draw.getContainer()
+  }
+
   public getElementList(): IElement[] {
     return this.draw.getElementList()
   }
 
+  public getPosition(): IElementPosition | null {
+    const positionList = this.draw.getPosition().getPositionList()
+    const { endIndex } = this.range.getRange()
+    return positionList[endIndex] || null
+  }
+
+  public getPreY(): number {
+    const height = this.draw.getHeight()
+    const pageGap = this.draw.getPageGap()
+    return this.draw.getPageNo() * (height + pageGap)
+  }
+
   public getRange() {
     return this.range.getRange()
   }
 
+  public shrinkBoundary() {
+    this.range.shrinkBoundary()
+  }
+
   public getActiveControl(): IControlInstance | null {
     return this.activeControl
   }
@@ -58,23 +79,42 @@ export class Control {
     const element = elementList[range.startIndex]
     // 判断控件是否已经激活
     if (this.activeControl) {
+      // 列举控件唤醒下拉弹窗
+      if (this.activeControl instanceof SelectControl) {
+        this.activeControl.awake()
+      }
       const controlElement = this.activeControl.getElement()
       if (element.controlId === controlElement.controlId) return
     }
     // 销毁旧激活控件
     this.destroyControl()
     // 激活控件
-    if (element.control!.type === ControlType.TEXT) {
+    const control = element.control!
+    if (control.type === ControlType.TEXT) {
       this.activeControl = new TextControl(element, this)
+    } else if (control.type === ControlType.SELECT) {
+      const selectControl = new SelectControl(element, this)
+      this.activeControl = selectControl
+      selectControl.awake()
     }
   }
 
   public destroyControl() {
     if (this.activeControl) {
+      if (this.activeControl instanceof SelectControl) {
+        this.activeControl.destroy()
+      }
       this.activeControl = null
     }
   }
 
+  public repaintControl(curIndex: number) {
+    this.range.setRange(curIndex, curIndex)
+    this.draw.render({
+      curIndex
+    })
+  }
+
   public moveCursor(position: IControlInitOption): IMoveCursorResult {
     const { index, trIndex, tdIndex, tdValueIndex } = position
     let elementList = this.draw.getOriginalElementList()
@@ -169,97 +209,12 @@ export class Control {
       }
       nextIndex++
     }
-    if (!~leftIndex || !~rightIndex) return -1
+    if (!~leftIndex || !~rightIndex) return startIndex
     // 删除元素
     elementList.splice(leftIndex + 1, rightIndex - leftIndex)
     return leftIndex
   }
 
-  public shrinkBoundary() {
-    const elementList = this.getElementList()
-    const range = this.getRange()
-    const { startIndex, endIndex } = range
-    const startElement = elementList[startIndex]
-    const endElement = elementList[endIndex]
-    if (startIndex === endIndex) {
-      if (startElement.controlComponent === ControlComponent.PLACEHOLDER) {
-        // 找到第一个placeholder字符
-        let index = startIndex - 1
-        while (index > 0) {
-          const preElement = elementList[index]
-          if (
-            preElement.controlId !== startElement.controlId ||
-            preElement.controlComponent === ControlComponent.PREFIX
-          ) {
-            console.log(index)
-            range.startIndex = index
-            range.endIndex = index
-            break
-          }
-          index--
-        }
-      }
-    } else {
-      // 首、尾为占位符时，收缩到最后一个前缀字符后
-      if (
-        startElement.controlComponent === ControlComponent.PLACEHOLDER ||
-        endElement.controlComponent === ControlComponent.PLACEHOLDER
-      ) {
-        let index = endIndex - 1
-        while (index > 0) {
-          const preElement = elementList[index]
-          if (
-            preElement.controlId !== endElement.controlId
-            || preElement.controlComponent === ControlComponent.PREFIX
-          ) {
-            range.startIndex = index
-            range.endIndex = index
-            return
-          }
-          index--
-        }
-      }
-      // 向右查找到第一个Value
-      if (startElement.controlComponent === ControlComponent.PREFIX) {
-        let index = startIndex + 1
-        while (index < elementList.length) {
-          const nextElement = elementList[index]
-          if (
-            nextElement.controlId !== startElement.controlId
-            || nextElement.controlComponent === ControlComponent.VALUE
-          ) {
-            range.startIndex = index - 1
-            break
-          } else if (nextElement.controlComponent === ControlComponent.PLACEHOLDER) {
-            range.startIndex = index - 1
-            range.endIndex = index - 1
-            return
-          }
-          index++
-        }
-      }
-      // 向左查找到第一个Value
-      if (endElement.controlComponent !== ControlComponent.VALUE) {
-        let index = startIndex - 1
-        while (index > 0) {
-          const preElement = elementList[index]
-          if (
-            preElement.controlId !== startElement.controlId
-            || preElement.controlComponent === ControlComponent.VALUE
-          ) {
-            range.startIndex = index
-            break
-          } else if (preElement.controlComponent === ControlComponent.PLACEHOLDER) {
-            range.startIndex = index
-            range.endIndex = index
-            return
-          }
-          index--
-        }
-      }
-    }
-  }
-
   public removePlaceholder(startIndex: number) {
     const elementList = this.getElementList()
     const startElement = elementList[startIndex]

src/editor/core/draw/control/select/SelectControl.ts

@@ -1,3 +1,254 @@
-export class SelectControl {
+import { EDITOR_COMPONENT } from '../../../../dataset/constant/Editor'
+import { ControlComponent } from '../../../../dataset/enum/Control'
+import { EditorComponent } from '../../../../dataset/enum/Editor'
+import { KeyMap } from '../../../../dataset/enum/Keymap'
+import { IControlInstance } from '../../../../interface/Control'
+import { IElement } from '../../../../interface/Element'
+import { Control } from '../Control'
+
+export class SelectControl implements IControlInstance {
+
+  private element: IElement
+  private control: Control
+  private isPopup: boolean
+  private selectDom: HTMLDivElement | null
+
+  constructor(element: IElement, control: Control) {
+    this.element = element
+    this.control = control
+    this.isPopup = false
+    this.selectDom = null
+  }
+
+  public getElement(): IElement {
+    return this.element
+  }
+
+  public getCode(): string | null {
+    return this.element.control?.code || null
+  }
+
+  public getValue(): IElement[] {
+    const elementList = this.control.getElementList()
+    const { startIndex } = this.control.getRange()
+    const startElement = elementList[startIndex]
+    const data: IElement[] = []
+    // 向左查找
+    let preIndex = startIndex
+    while (preIndex > 0) {
+      const preElement = elementList[preIndex]
+      if (
+        preElement.controlId !== startElement.controlId ||
+        preElement.controlComponent === ControlComponent.PREFIX
+      ) {
+        break
+      }
+      if (preElement.controlComponent === ControlComponent.VALUE) {
+        data.unshift(preElement)
+      }
+      preIndex--
+    }
+    // 向右查找
+    let nextIndex = startIndex + 1
+    while (nextIndex < elementList.length) {
+      const nextElement = elementList[nextIndex]
+      if (
+        nextElement.controlId !== startElement.controlId ||
+        nextElement.controlComponent === ControlComponent.POSTFIX
+      ) {
+        break
+      }
+      if (nextElement.controlComponent === ControlComponent.VALUE) {
+        data.push(nextElement)
+      }
+      nextIndex++
+    }
+    return data
+  }
+
+  public setValue(): number {
+    const range = this.control.getRange()
+    return range.endIndex
+  }
+
+  public keydown(evt: KeyboardEvent): number {
+    const elementList = this.control.getElementList()
+    const range = this.control.getRange()
+    // 收缩边界到Value内
+    this.control.shrinkBoundary()
+    const { startIndex, endIndex } = range
+    const startElement = elementList[startIndex]
+    const endElement = elementList[endIndex]
+    // backspace
+    if (evt.key === KeyMap.Backspace) {
+      // 清空选项
+      if (startIndex !== endIndex) {
+        return this.clearSelect()
+      } else {
+        if (
+          startElement.controlComponent === ControlComponent.PREFIX ||
+          endElement.controlComponent === ControlComponent.POSTFIX ||
+          startElement.controlComponent === ControlComponent.PLACEHOLDER
+        ) {
+          // 前缀、后缀、占位符
+          return this.control.removeControl(startIndex)
+        } else {
+          // 清空选项
+          return this.clearSelect()
+        }
+      }
+    } else if (evt.key === KeyMap.Delete) {
+      // 移除选区元素
+      if (startIndex !== endIndex) {
+        // 清空选项
+        return this.clearSelect()
+      } else {
+        const endNextElement = elementList[endIndex + 1]
+        if (startElement.controlComponent === ControlComponent.PREFIX ||
+          endNextElement.controlComponent === ControlComponent.POSTFIX ||
+          startElement.controlComponent === ControlComponent.PLACEHOLDER
+        ) {
+          // 前缀、后缀、占位符
+          return this.control.removeControl(startIndex)
+        } else {
+          // 清空选项
+          return this.clearSelect()
+        }
+      }
+    }
+    return endIndex
+  }
+
+  public cut(): number {
+    this.control.shrinkBoundary()
+    const { startIndex, endIndex } = this.control.getRange()
+    if (startIndex === endIndex) {
+      return startIndex
+    }
+    // 清空选项
+    return this.clearSelect()
+  }
+
+  public clearSelect(): number {
+    const elementList = this.control.getElementList()
+    const { startIndex } = this.control.getRange()
+    const startElement = elementList[startIndex]
+    let leftIndex = -1
+    let rightIndex = -1
+    // 向左查找
+    let preIndex = startIndex
+    while (preIndex > 0) {
+      const preElement = elementList[preIndex]
+      if (
+        preElement.controlId !== startElement.controlId ||
+        preElement.controlComponent === ControlComponent.PREFIX
+      ) {
+        leftIndex = preIndex
+        break
+      }
+      preIndex--
+    }
+    // 向右查找
+    let nextIndex = startIndex + 1
+    while (nextIndex < elementList.length) {
+      const nextElement = elementList[nextIndex]
+      if (
+        nextElement.controlId !== startElement.controlId ||
+        nextElement.controlComponent === ControlComponent.POSTFIX
+      ) {
+        rightIndex = nextIndex - 1
+        break
+      }
+      nextIndex++
+    }
+    if (!~leftIndex || !~rightIndex) return -1
+    // 删除元素
+    elementList.splice(leftIndex + 1, rightIndex - leftIndex)
+    // 增加占位符
+    this.control.addPlaceholder(preIndex)
+    this.element.control!.code = null
+    return preIndex
+  }
+
+  public setSelect(code: string) {
+    const control = this.element.control!
+    const valueSets = control.valueSets
+    if (!Array.isArray(valueSets) || !valueSets.length) return
+    // 转换code
+    const valueSet = valueSets.find(v => v.code === code)
+    if (!valueSet) return
+    // 清空选项
+    const startIndex = this.clearSelect()
+    this.control.removePlaceholder(startIndex)
+    // 插入
+    const elementList = this.control.getElementList()
+    const startElement = elementList[startIndex]
+    const start = startIndex + 1
+    const data = valueSet.value.split('')
+    for (let i = 0; i < data.length; i++) {
+      elementList.splice(start + i, 0, {
+        ...startElement,
+        value: data[i],
+        controlComponent: ControlComponent.VALUE
+      })
+    }
+    // render
+    const newIndex = start + data.length - 1
+    this.control.repaintControl(newIndex)
+    // 设置状态
+    this.element.control!.code = code
+    this.destroy()
+  }
+
+  private _createSelectPopupDom() {
+    const control = this.element.control!
+    const valueSets = control.valueSets
+    if (!Array.isArray(valueSets) || !valueSets.length) return
+    const position = this.control.getPosition()
+    if (!position) return
+    // dom树：<div><ul><li>item</li></ul></div>
+    const selectPopupContainer = document.createElement('div')
+    selectPopupContainer.classList.add('select-control-popup')
+    selectPopupContainer.setAttribute(EDITOR_COMPONENT, EditorComponent.POPUP)
+    const ul = document.createElement('ul')
+    for (let v = 0; v < valueSets.length; v++) {
+      const valueSet = valueSets[v]
+      const li = document.createElement('li')
+      const code = this.getCode()
+      if (code === valueSet.code) {
+        li.classList.add('active')
+      }
+      li.onclick = () => {
+        this.setSelect(valueSet.code)
+      }
+      li.append(document.createTextNode(valueSet.value))
+      ul.append(li)
+    }
+    selectPopupContainer.append(ul)
+    // 定位
+    const { coordinate: { leftTop: [left, top] }, lineHeight } = position
+    const preY = this.control.getPreY()
+    selectPopupContainer.style.left = `${left}px`
+    selectPopupContainer.style.top = `${top + preY + lineHeight}px`
+    // 追加至container
+    const container = this.control.getContainer()
+    container.append(selectPopupContainer)
+    this.selectDom = selectPopupContainer
+  }
+
+  public awake() {
+    if (this.isPopup) return
+    const { startIndex } = this.control.getRange()
+    const elementList = this.control.getElementList()
+    if (elementList[startIndex + 1]?.controlId !== this.element.controlId) return
+    this._createSelectPopupDom()
+    this.isPopup = true
+  }
+
+  public destroy() {
+    if (!this.isPopup) return
+    this.selectDom?.remove()
+    this.isPopup = false
+  }
 
 }

src/editor/core/draw/control/text/TextControl.ts

@@ -146,7 +146,7 @@ export class TextControl implements IControlInstance {
         }
       }
     }
-    return -1
+    return endIndex
   }
 
   public cut(): number {

src/editor/core/range/RangeManager.ts

@@ -1,4 +1,5 @@
 import { ElementType } from '../..'
+import { ControlComponent } from '../../dataset/enum/Control'
 import { IEditorOption } from '../../interface/Editor'
 import { IElement } from '../../interface/Element'
 import { IRange } from '../../interface/Range'
@@ -137,6 +138,90 @@ export class RangeManager {
     })
   }
 
+  public shrinkBoundary() {
+    const elementList = this.draw.getElementList()
+    const range = this.getRange()
+    const { startIndex, endIndex } = range
+    const startElement = elementList[startIndex]
+    const endElement = elementList[endIndex]
+    if (startIndex === endIndex) {
+      if (startElement.controlComponent === ControlComponent.PLACEHOLDER) {
+        // 找到第一个placeholder字符
+        let index = startIndex - 1
+        while (index > 0) {
+          const preElement = elementList[index]
+          if (
+            preElement.controlId !== startElement.controlId ||
+            preElement.controlComponent === ControlComponent.PREFIX
+          ) {
+            range.startIndex = index
+            range.endIndex = index
+            break
+          }
+          index--
+        }
+      }
+    } else {
+      // 首、尾为占位符时，收缩到最后一个前缀字符后
+      if (
+        startElement.controlComponent === ControlComponent.PLACEHOLDER ||
+        endElement.controlComponent === ControlComponent.PLACEHOLDER
+      ) {
+        let index = endIndex - 1
+        while (index > 0) {
+          const preElement = elementList[index]
+          if (
+            preElement.controlId !== endElement.controlId
+            || preElement.controlComponent === ControlComponent.PREFIX
+          ) {
+            range.startIndex = index
+            range.endIndex = index
+            return
+          }
+          index--
+        }
+      }
+      // 向右查找到第一个Value
+      if (startElement.controlComponent === ControlComponent.PREFIX) {
+        let index = startIndex + 1
+        while (index < elementList.length) {
+          const nextElement = elementList[index]
+          if (
+            nextElement.controlId !== startElement.controlId
+            || nextElement.controlComponent === ControlComponent.VALUE
+          ) {
+            range.startIndex = index - 1
+            break
+          } else if (nextElement.controlComponent === ControlComponent.PLACEHOLDER) {
+            range.startIndex = index - 1
+            range.endIndex = index - 1
+            return
+          }
+          index++
+        }
+      }
+      // 向左查找到第一个Value
+      if (endElement.controlComponent !== ControlComponent.VALUE) {
+        let index = startIndex - 1
+        while (index > 0) {
+          const preElement = elementList[index]
+          if (
+            preElement.controlId !== startElement.controlId
+            || preElement.controlComponent === ControlComponent.VALUE
+          ) {
+            range.startIndex = index
+            break
+          } else if (preElement.controlComponent === ControlComponent.PLACEHOLDER) {
+            range.startIndex = index
+            range.endIndex = index
+            return
+          }
+          index--
+        }
+      }
+    }
+  }
+
   public render(ctx: CanvasRenderingContext2D, x: number, y: number, width: number, height: number) {
     ctx.save()
     ctx.globalAlpha = this.options.rangeAlpha

src/editor/dataset/enum/Editor.ts

@@ -3,7 +3,8 @@ export enum EditorComponent {
   MENU = 'menu',
   MAIN = 'main',
   FOOTER = 'footer',
-  CONTEXTMENU = 'contextmenu'
+  CONTEXTMENU = 'contextmenu',
+  POPUP = 'popup'
 }
 
 export enum EditorContext {

src/editor/interface/Control.ts

@@ -7,6 +7,7 @@ export interface IValueSet {
 }
 
 export interface IControlSelect {
+  code: string | null;
   valueSets: IValueSet[];
 }
 

src/editor/utils/element.ts

@@ -3,7 +3,7 @@ import { ElementType, IEditorOption, IElement } from '..'
 import { ZERO } from '../dataset/constant/Common'
 import { defaultControlOption } from '../dataset/constant/Control'
 import { EDITOR_ELEMENT_ZIP_ATTR } from '../dataset/constant/Element'
-import { ControlComponent } from '../dataset/enum/Control'
+import { ControlComponent, ControlType } from '../dataset/enum/Control'
 
 interface IFormatElementListOption {
   isHandleFirstElement?: boolean;
@@ -71,7 +71,7 @@ export function formatElementList(elementList: IElement[], options: IFormatEleme
       }
       i--
     } else if (el.type === ElementType.CONTROL) {
-      const { prefix, postfix, value, placeholder } = el.control!
+      const { prefix, postfix, value, placeholder, code, type, valueSets } = el.control!
       const controlId = getUUID()
       // 移除父节点
       elementList.splice(i, 1)
@@ -95,9 +95,23 @@ export function formatElementList(elementList: IElement[], options: IFormatEleme
         i++
       }
       // 值
-      if (value && value.length) {
+      if (
-        for (let v = 0; v < value.length; v++) {
+        (value && value.length) ||
-          const element = value[v]
+        (type === ControlType.SELECT && code && (!value || !value.length))
+      ) {
+        let valueList: IElement[] = value || []
+        if (!value || !value.length) {
+          if (Array.isArray(valueSets) && valueSets.length) {
+            const valueSet = valueSets.find(v => v.code === code)
+            if (valueSet) {
+              valueList = [{
+                value: valueSet.value
+              }]
+            }
+          }
+        }
+        for (let v = 0; v < valueList.length; v++) {
+          const element = valueList[v]
           const valueStrList = element.value.split('')
           for (let e = 0; e < valueStrList.length; e++) {
             const value = valueStrList[e]

src/mock.ts

@@ -91,6 +91,7 @@ elementList.splice(112, 0, {
   control: {
     type: ControlType.SELECT,
     value: null,
+    code: null,
     placeholder: '有无',
     prefix: '{',
     postfix: '}',
@@ -100,6 +101,9 @@ elementList.splice(112, 0, {
     }, {
       value: '无',
       code: '98176'
+    }, {
+      value: '不详',
+      code: '98177'
     }]
   }
 })