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ng-devui

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DevUI components based on Angular

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import { Injectable, isDevMode } from '@angular/core'; import { DDGridStack, Utils } from 'gridstack'; import { DDElement } from 'gridstack/dist/dd-element'; import * as i0 from "@angular/core"; export class GridStackService { constructor() { this._itemRemoving = (el, remove) => { const node = el ? el.gridstackNode : undefined; if (!node || !node.grid) { return; } remove ? (node._isAboutToRemove = true) : delete node._isAboutToRemove; remove ? el.classList.add('grid-stack-item-removing') : el.classList.remove('grid-stack-item-removing'); }; } getDD() { return DDGridStack.get(); } static cleanDragIn(el) { if (el.classList.contains('ui-draggable')) { DDGridStack.get().draggable(el, 'destroy'); } } static isDraggable(el) { return Boolean(el.classList.contains('ui-draggable')); } static isDroppable(el) { return Boolean(el.classList.contains('ui-droppable')); } static enableDrag(el) { if (!GridStackService.isDraggable(el)) { return; } DDGridStack.get().draggable(el, 'enable'); } static disableDrag(el) { if (!GridStackService.isDraggable(el)) { return; } DDGridStack.get().draggable(el, 'disable'); } static enableDrop(el) { if (!GridStackService.isDroppable(el)) { return; } DDGridStack.get().droppable(el, 'enable'); } static disableDrop(el) { if (!GridStackService.isDroppable(el)) { return; } DDGridStack.get().droppable(el, 'disable'); } resetAcceptWidget(dashboard) { if (!this.gridStack) { if (isDevMode()) { console.warn('call resetAcceptWidget after gridStack init'); } return; } if (this.gridStack.opts.staticGrid || !this.gridStack.opts.acceptWidgets) { return; } if (!this.getDD().isDroppable(this.gridStack.el)) { const that = this.gridStack; this.getDD().droppable(that.el, { accept: (el) => { const node = el.gridstackNode; // set accept drop to true on ourself (which we ignore) so we don't get "can't drop" icon in HTML5 mode while moving if (node && node.grid === that) { return true; } if (!that.opts.acceptWidgets) { return false; } // check for accept method or class matching let canAccept = true; if (typeof that.opts.acceptWidgets === 'function') { canAccept = that.opts.acceptWidgets(el); } else { const selector = that.opts.acceptWidgets === true ? '.grid-stack-item' : that.opts.acceptWidgets; canAccept = el.matches(selector); } // finally check to make sure we actually have space left #1571 if (canAccept && node && that.opts.maxRow) { const n = { w: node.w, h: node.h, minW: node.minW, minH: node.minH }; // only width/height matters and autoPosition canAccept = that.engine.willItFit(n); } return canAccept; }, }); } this.getDD() .off(this.gridStack.el, 'dropout') .on(this.gridStack.el, 'dropout', (event, el, helper) => { // 覆盖这个方法是因为 float模式下 dropout影响了原来的布局 const that = this.gridStack; const node = el.gridstackNode; if (!node.grid || node.grid === that) { that._leave(el, helper); } this.getDD().off(el, 'drag'); return false; }) .off(this.gridStack.el, 'drop') .on(this.gridStack.el, 'drop', (event, el, helper) => { // 覆盖这个方法是因为 drop的情况不想让它放进去而是只发射通知 const that = this.gridStack; const node = el.gridstackNode; if (node && node.grid === that && !node._isExternal) { return false; } const wasAdded = !!that.placeholder.parentElement; that.placeholder.remove(); const origNode = el._gridstackNodeOrig; delete el._gridstackNodeOrig; if (!node) { return false; } if (wasAdded) { that.engine.cleanupNode(node); // 好像没用 node.grid = that; } if (helper !== el) { helper.remove(); el.gridstackNode = origNode; // original item (left behind) is re-stored to pre dragging as the node now has drop info } else { Utils.removePositioningStyles(el); } this.getDD().off(el, 'drag'); that.engine.removeNode(node); that._updateContainerHeight(); dashboard.handleDragInNode(node, origNode, this.dragInWidget); }); } resetRemoveDrop(dashboard) { if (!this.gridStack) { if (isDevMode()) { console.warn('call resetDragDrop after gridStack init'); } return; } if (!(!this.gridStack.opts.staticGrid && typeof this.gridStack.opts.removable === 'string')) { return; } const trashZone = document.querySelector(this.gridStack.opts.removable); if (!trashZone) { return; } if (this.getDD().isDroppable(trashZone)) { // 清理掉了dropover和dropout 直接重新绑定对应的逻辑 this.getDD().off(trashZone, 'dropover').off(trashZone, 'dropout'); } } /* 设置新的可拖入的widget */ setupDragIn(el, widget, helper, notify) { const _ddElement = DDElement.init(el); _ddElement.setupDraggable({ ...widget.targetDashboard.finalOption.dragInOptions, ...{ helper: helper || widget.targetDashboard.finalOption.dragInOptions.helper, handle: this.gridStack.opts.handle }, ...{ start: () => { this.dragInWidget = widget; if (notify) { notify('dragStart')(); } }, stop: () => { // TODO: 升级gridstack@6.0.0后drop内dragInWidget一直为undefined ,因此删掉了 this.dragInWidget = undefined; if (notify) { notify('dragStop')(); } }, }, }); } destroyDragIn(el) { this.getDD().draggable(el, 'destroy'); } /* 设置自定义的回收站 */ setupRemoveDropArea(trashZone, dashboard, trash) { if (!this.gridStack) { if (isDevMode()) { console.warn('call setupRemoveDropArea after gridStack init'); } return; } const trashEl = trashZone; this.getDD() .droppable(trashEl, this.gridStack.opts.removableOptions) .on(trashEl, 'dropover', (event, el) => this._itemRemoving(el, true)) .on(trashEl, 'dropout', (event, el) => this._itemRemoving(el, false)); } /* 清理自定义的回收站 */ destroyRemoveDropAreas(trashZone) { if (!this.gridStack) { console.warn('call destroyRemoveDropAreas after gridStack init'); return; } const that = this.gridStack; if (!this.getDD().isDroppable(trashZone)) { return; } this.getDD().off(trashZone, 'dropover').off(trashZone, 'dropout').off(trashZone, 'drop'); } // 设置背景 updateBackgroundGridBlock() { if (this.gridStack) { if (!this.lastStyleSheet) { this.lastStyleSheet = Utils.createStylesheet(`d-dashboard-${this.gridStack.opts._styleSheetClass}`, this.gridStack.el.parentElement); } else { this.lastStyleSheet.removeRule(0); } const column = this.gridStack.opts.column; const margin = this.gridStack.opts.margin; const marginUnit = this.gridStack.opts.marginUnit; const cellHeight = this.gridStack.opts.cellHeight; const cellHeightUnit = this.gridStack.opts.cellHeightUnit; const prefix = `.${this.gridStack.opts._styleSheetClass}`; if (!this.lastStyleSheet) { return; } Utils.addCSSRule(this.lastStyleSheet, `${prefix}.d-dashboard-show-grid-block::before`, ` background-image: linear-gradient(#fff 0, #fff ${margin * 2}${marginUnit}, transparent ${margin * 2}${marginUnit}, transparent 100%), linear-gradient(90deg, #fff 0, #fff ${margin * 2}${marginUnit}, transparent ${margin * 2}${marginUnit}, transparent 100%), linear-gradient(#f8f8f8 0 , #f8f8f8 100%); background-image: linear-gradient(var(--devui-base-bg, #fff) 0, var(--devui-base-bg, #fff) ${margin * 2}${marginUnit}, transparent ${margin * 2}${marginUnit}, transparent 100%), linear-gradient(90deg, var(--devui-base-bg, #fff) 0, var(--devui-base-bg, #fff) ${margin * 2}${marginUnit}, transparent ${margin * 2}${marginUnit}, transparent 100%), linear-gradient(var(--devui-area, #f8f8f8) 0 , var(--devui-area, #f8f8f8) 100%); background-size: ${100 / column}% ${cellHeight}${cellHeightUnit}; background-position: -${margin}${marginUnit} -${margin}${marginUnit}; `); this.lastColumn = column; } } setBackgroundGridBlockIfColumnChange() { if (this.gridStack?.opts?.column !== this.lastColumn) { this.updateBackgroundGridBlock(); } } removeBackgroundGridBlockStyleSheet() { if (this.lastStyleSheet) { Utils.removeStylesheet(`d-dashboard-${this.gridStack.opts._class}`); } } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: GridStackService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); } static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: GridStackService }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: GridStackService, decorators: [{ type: Injectable }] }); //# 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Boolean(el.classList.contains('ui-draggable'));\r\n  }\r\n  static isDroppable(el: HTMLElement) {\r\n    return Boolean(el.classList.contains('ui-droppable'));\r\n  }\r\n  static enableDrag(el: HTMLElement) {\r\n    if (!GridStackService.isDraggable(el)) {\r\n      return;\r\n    }\r\n    (DDGridStack.get() as DDGridStack).draggable(el, 'enable');\r\n  }\r\n  static disableDrag(el: HTMLElement) {\r\n    if (!GridStackService.isDraggable(el)) {\r\n      return;\r\n    }\r\n    (DDGridStack.get() as DDGridStack).draggable(el, 'disable');\r\n  }\r\n  static enableDrop(el: HTMLElement) {\r\n    if (!GridStackService.isDroppable(el)) {\r\n      return;\r\n    }\r\n    (DDGridStack.get() as DDGridStack).droppable(el, 'enable');\r\n  }\r\n  static disableDrop(el: HTMLElement) {\r\n    if (!GridStackService.isDroppable(el)) {\r\n      return;\r\n    }\r\n    (DDGridStack.get() as DDGridStack).droppable(el, 'disable');\r\n  }\r\n  _itemRemoving = (el: GridItemHTMLElement, remove: boolean) => {\r\n    const node = el ? el.gridstackNode : undefined;\r\n    if (!node || !node.grid) {\r\n      return;\r\n    }\r\n    remove ? ((node as any)._isAboutToRemove = true) : delete (node as any)._isAboutToRemove;\r\n    remove ? el.classList.add('grid-stack-item-removing') : el.classList.remove('grid-stack-item-removing');\r\n  };\r\n  resetAcceptWidget(dashboard: DashboardComponent) {\r\n    if (!this.gridStack) {\r\n      if (isDevMode()) {\r\n        console.warn('call resetAcceptWidget after gridStack init');\r\n      }\r\n      return;\r\n    }\r\n    if (this.gridStack.opts.staticGrid || !this.gridStack.opts.acceptWidgets) {\r\n      return;\r\n    }\r\n    if (!this.getDD().isDroppable(this.gridStack.el)) {\r\n      const that = this.gridStack;\r\n      this.getDD().droppable(that.el, {\r\n        accept: (el: GridItemHTMLElement) => {\r\n          const node: GridStackNode = el.gridstackNode;\r\n          // set accept drop to true on ourself (which we ignore) so we don't get \"can't drop\" icon in HTML5 mode while moving\r\n          if (node && node.grid === that) {\r\n            return true;\r\n          }\r\n          if (!that.opts.acceptWidgets) {\r\n            return false;\r\n          }\r\n          // check for accept method or class matching\r\n          let canAccept = true;\r\n          if (typeof that.opts.acceptWidgets === 'function') {\r\n            canAccept = that.opts.acceptWidgets(el);\r\n          } else {\r\n            const selector = that.opts.acceptWidgets === true ? '.grid-stack-item' : (that.opts.acceptWidgets as string);\r\n            canAccept = el.matches(selector);\r\n          }\r\n          // finally check to make sure we actually have space left #1571\r\n          if (canAccept && node && that.opts.maxRow) {\r\n            const n = { w: node.w, h: node.h, minW: node.minW, minH: node.minH }; // only width/height matters and autoPosition\r\n            canAccept = that.engine.willItFit(n);\r\n          }\r\n          return canAccept;\r\n        },\r\n      });\r\n    }\r\n    this.getDD()\r\n      .off(this.gridStack.el, 'dropout')\r\n      .on(this.gridStack.el, 'dropout', (event, el: GridItemHTMLElement, helper) => {\r\n        // 覆盖这个方法是因为 float模式下 dropout影响了原来的布局\r\n        const that: any = this.gridStack;\r\n        const node = el.gridstackNode;\r\n        if (!node.grid || node.grid === that) {\r\n          that._leave(el, helper);\r\n        }\r\n        this.getDD().off(el, 'drag');\r\n        return false;\r\n      })\r\n      .off(this.gridStack.el, 'drop')\r\n      .on(this.gridStack.el, 'drop', (event, el: GridItemHTMLElement, helper: GridItemHTMLElement) => {\r\n        // 覆盖这个方法是因为 drop的情况不想让它放进去而是只发射通知\r\n        const that: any = this.gridStack;\r\n\r\n        const node: GridStackNode = el.gridstackNode;\r\n        if (node && node.grid === that && !(node as any)._isExternal) {\r\n          return false;\r\n        }\r\n\r\n        const wasAdded = !!that.placeholder.parentElement;\r\n        that.placeholder.remove();\r\n\r\n        const origNode = (el as any)._gridstackNodeOrig;\r\n        delete (el as any)._gridstackNodeOrig;\r\n\r\n        if (!node) {\r\n          return false;\r\n        }\r\n        if (wasAdded) {\r\n          that.engine.cleanupNode(node); // 好像没用\r\n          node.grid = that;\r\n        }\r\n\r\n        if (helper !== el) {\r\n          helper.remove();\r\n          el.gridstackNode = origNode; // original item (left behind) is re-stored to pre dragging as the node now has drop info\r\n        } else {\r\n          Utils.removePositioningStyles(el);\r\n        }\r\n\r\n        this.getDD().off(el, 'drag');\r\n        that.engine.removeNode(node);\r\n\r\n        that._updateContainerHeight();\r\n\r\n        dashboard.handleDragInNode(node, origNode, this.dragInWidget);\r\n      });\r\n  }\r\n  resetRemoveDrop(dashboard: DashboardComponent) {\r\n    if (!this.gridStack) {\r\n      if (isDevMode()) {\r\n        console.warn('call resetDragDrop after gridStack init');\r\n      }\r\n      return;\r\n    }\r\n    if (!(!this.gridStack.opts.staticGrid && typeof this.gridStack.opts.removable === 'string')) {\r\n      return;\r\n    }\r\n    const trashZone = document.querySelector(this.gridStack.opts.removable) as HTMLElement;\r\n    if (!trashZone) {\r\n      return;\r\n    }\r\n    if (this.getDD().isDroppable(trashZone)) {\r\n      // 清理掉了dropover和dropout 直接重新绑定对应的逻辑\r\n      this.getDD().off(trashZone, 'dropover').off(trashZone, 'dropout');\r\n    }\r\n  }\r\n  /* 设置新的可拖入的widget */\r\n  setupDragIn(\r\n    el: HTMLElement,\r\n    widget: DashboardLibraryWidgetDirective,\r\n    helper?: ((event: any) => HTMLElement) | string,\r\n    notify?: (eventType: string) => (...args: any) => void\r\n  ) {\r\n    const _ddElement = DDElement.init(el);\r\n    _ddElement.setupDraggable({\r\n      ...widget.targetDashboard.finalOption.dragInOptions,\r\n      ...{ helper: helper || widget.targetDashboard.finalOption.dragInOptions.helper, handle: this.gridStack.opts.handle },\r\n      ...{\r\n        start: () => {\r\n          this.dragInWidget = widget;\r\n          if (notify) {\r\n            notify('dragStart')();\r\n          }\r\n        },\r\n        stop: () => {\r\n          // TODO: 升级gridstack@6.0.0后drop内dragInWidget一直为undefined ,因此删掉了 this.dragInWidget = undefined;\r\n          if (notify) {\r\n            notify('dragStop')();\r\n          }\r\n        },\r\n      },\r\n    });\r\n  }\r\n  destroyDragIn(el: HTMLElement) {\r\n    this.getDD().draggable(el, 'destroy');\r\n  }\r\n\r\n  /* 设置自定义的回收站 */\r\n  setupRemoveDropArea(trashZone: HTMLElement, dashboard: DashboardComponent, trash?: DashboardLibraryTrashDirective) {\r\n    if (!this.gridStack) {\r\n      if (isDevMode()) {\r\n        console.warn('call setupRemoveDropArea after gridStack init');\r\n      }\r\n      return;\r\n    }\r\n    const trashEl = trashZone;\r\n    this.getDD()\r\n      .droppable(trashEl, this.gridStack.opts.removableOptions)\r\n      .on(trashEl, 'dropover', (event, el) => this._itemRemoving(el, true))\r\n      .on(trashEl, 'dropout', (event, el) => this._itemRemoving(el, false));\r\n  }\r\n\r\n  /* 清理自定义的回收站 */\r\n  destroyRemoveDropAreas(trashZone: HTMLElement) {\r\n    if (!this.gridStack) {\r\n      console.warn('call destroyRemoveDropAreas after gridStack init');\r\n      return;\r\n    }\r\n    const that = this.gridStack;\r\n    if (!this.getDD().isDroppable(trashZone)) {\r\n      return;\r\n    }\r\n    this.getDD().off(trashZone, 'dropover').off(trashZone, 'dropout').off(trashZone, 'drop');\r\n  }\r\n\r\n  // 设置背景\r\n  updateBackgroundGridBlock() {\r\n    if (this.gridStack) {\r\n      if (!this.lastStyleSheet) {\r\n        this.lastStyleSheet = Utils.createStylesheet(\r\n          `d-dashboard-${(this.gridStack.opts as any)._styleSheetClass}`,\r\n          this.gridStack.el.parentElement\r\n        );\r\n      } else {\r\n        this.lastStyleSheet.removeRule(0);\r\n      }\r\n      const column = this.gridStack.opts.column as number;\r\n      const margin = this.gridStack.opts.margin as number;\r\n      const marginUnit = this.gridStack.opts.marginUnit;\r\n      const cellHeight = this.gridStack.opts.cellHeight as number;\r\n      const cellHeightUnit = this.gridStack.opts.cellHeightUnit;\r\n      const prefix = `.${(this.gridStack.opts as any)._styleSheetClass}`;\r\n      if (!this.lastStyleSheet) {\r\n        return;\r\n      }\r\n\r\n      Utils.addCSSRule(\r\n        this.lastStyleSheet,\r\n        `${prefix}.d-dashboard-show-grid-block::before`,\r\n        `\r\n      background-image:\r\n        linear-gradient(#fff 0, #fff ${margin * 2}${marginUnit},\r\n          transparent ${margin * 2}${marginUnit}, transparent 100%),\r\n        linear-gradient(90deg, #fff 0, #fff ${margin * 2}${marginUnit},\r\n          transparent ${margin * 2}${marginUnit}, transparent 100%),\r\n        linear-gradient(#f8f8f8 0 , #f8f8f8 100%);\r\n      background-image:\r\n        linear-gradient(var(--devui-base-bg, #fff) 0, var(--devui-base-bg, #fff) ${margin * 2}${marginUnit},\r\n          transparent ${margin * 2}${marginUnit}, transparent 100%),\r\n        linear-gradient(90deg, var(--devui-base-bg, #fff) 0, var(--devui-base-bg, #fff) ${margin * 2}${marginUnit},\r\n          transparent ${margin * 2}${marginUnit}, transparent 100%),\r\n        linear-gradient(var(--devui-area, #f8f8f8) 0 , var(--devui-area, #f8f8f8) 100%);\r\n      background-size: ${100 / column}% ${cellHeight}${cellHeightUnit};\r\n      background-position: -${margin}${marginUnit} -${margin}${marginUnit};\r\n      `\r\n      );\r\n      this.lastColumn = column;\r\n    }\r\n  }\r\n\r\n  setBackgroundGridBlockIfColumnChange() {\r\n    if (this.gridStack?.opts?.column !== this.lastColumn) {\r\n      this.updateBackgroundGridBlock();\r\n    }\r\n  }\r\n\r\n  removeBackgroundGridBlockStyleSheet() {\r\n    if (this.lastStyleSheet) {\r\n      Utils.removeStylesheet(`d-dashboard-${(this.gridStack.opts as any)._class}`);\r\n    }\r\n  }\r\n}\r\n"]}