GridEditor.vue 21.2 KB
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<template lang="pug">

  div.cell-grid-container

    div.cell-grid(
      @dragenter="handleGridDragOver",
      @dragover="handleGridDragOver",
      @dragleave="handleGridDragEnd",
      @drop="handleGridDrop",
      @contextmenu="handleGridContextMenu",
      :style="gridStyle")

      q-context-menu(ref="gridmenu")
        q-list(link, separator, no-border, style="min-width: 150px; max-height: 300px;")
          q-item(
            v-for="action in gridContextMenuActions",
            :key="action.label",
            v-close-overlay,
            @click.native="event => {action.handler(event)}")
              q-item-main(:label="action.label")

      template(v-if="!resizingGrid")

        template(v-for="(cell, index) in cells")
          .cell-item(
            v-if="cellUIStates[cell.uuid] && !cellUIStates[cell.uuid].beingDragged",
            draggable="true",
            @dragstart="event => {handleCellDragStart(event, cell)}",
            @dragend="event => {handleCellDragEnd(event, cell)}",
            @contextmenu="handleCellContextMenu",
            :style="getCellStyle(cell)",
            :title="cell.title",
            @click.prevent="event => {handleCellClick(event, cell)}",
            :class="{selected: cellUIStates[cell.uuid] ? cellUIStates[cell.uuid].selected : false}",
            :key="`cell-${index}`")
              cell(:cell="cell", preview)
              div.cell-item-resize-handle(
                draggable="true",
                @dragstart="event => {handleCellResizerDragStart(event, cell)}",
                @dragend="event => {handleCellResizerDragEnd(event, cell)}",
                @dragexit="event => {handleCellResizerDragEnd(event, cell)}")
                  q-icon(name="network cell")

              q-context-menu
                q-list(link, separator, no-border, style="min-width: 150px; max-height: 300px;")
                  q-item(
                    v-for="action in cellContextMenuActions",
                    :key="action.label",
                    v-close-overlay,
                    @click.native="event => {action.handler(event, cell)}")
                      q-item-main(:label="action.label")

        template(v-for="(tmpCell, index) in tmpCells")
          .cell-item.cell-item-tmp(:style="getCellStyle(tmpCell)", :key="`cell-tmp-${index}`")
            cell(:cell="tmpCell")

      template(v-else)
        .cell-item(:style="getCellStyle({x:0,y:0,width:1,height:1})", key="cell-grid-resizer")
          div.cell-item-resize-handle(
            draggable="true",
            @dragstart="event => {handleGridResizerDragStart(event)}",
            @dragend="event => {handleGridResizerDragEnd(event)}",
            @dragexit="event => {handleGridResizerDragEnd(event)}")
              q-icon(name="network cell")

66
      div.fixed-top-right(style="right:18px; top:68px", v-if="!$store.state.mosys.showSources")
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        q-btn(round, color="primary", small, @click="handleGridButtonClickEdit", style="margin-right: 0.5em")
          q-icon(name="add")
        q-btn(round, color="primary", small, @click="$router.push(`/mosys/grids/${$route.params.id}`)")
          q-icon(name="remove red eye")

</template>

<script>
  import { ObjectUtil } from 'mbjs-utils'
  import Cell from './Cell'

  const nullImage = new Image()
  nullImage.src = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=='

  export default {
    components: {
      Cell
    },
    props: ['gridUuid'],
    data () {
      return {
        cellContextMenuActions: {
          // edit: {
          //   label: 'Edit',
          //   handler: this.handleCellContextMenuEdit
          // },
          delete: {
            label: 'Delete',
            handler: this.handleCellContextMenuDelete
          },
          insert_column_left: {
            label: 'Insert Column Left',
            handler: this.handleGridContextMenuInsertColumnLeft
          },
          insert_row_above: {
            label: 'Insert Row Above',
            handler: this.handleGridContextMenuInsertRowAbove
          }
        },
        gridContextMenuActions: {
          // add_cell: {
          //   label: 'Add Cell',
          //   handler: this.handleGridContextMenuAddCell
          // },
          insert_column_left: {
            label: 'Insert Column Left',
            handler: this.handleGridContextMenuInsertColumnLeft
          },
          delete_column: {
            label: 'Delete Column',
            handler: this.handleGridContextMenuDeleteColumn
          },
          insert_row_above: {
            label: 'Insert Row Above',
            handler: this.handleGridContextMenuInsertRowAbove
          },
          delete_row: {
            label: 'Delete Row',
            handler: this.handleGridContextMenuDeleteRow
          },
          edit_grid_dimensions: {
            label: 'Change Grid',
            handler: () => { this.resizingGrid = !this.resizingGrid }
          }
        },
        grid: undefined,
        gridMetadata: {},
        cells: [],
        tmpCells: [],
        cellUIStates: {},
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        gridDimensions: { gridWidth: 0, gridHeight: 0, cellWidth: 0, cellHeight: 0 },
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        gridStyle: {},
        contextMenuClickPosition: {},
        resizingGrid: false
      }
    },
    async mounted () {
      window.addEventListener('resize', this.updateGridDimensions)
      await this.fetchData()
    },
    beforeDestroy () {
      window.removeEventListener('resize', this.updateGridDimensions)
    },
    watch: {
      cells () {
        this.updateCellUIStates()
      },
      gridMetadata () {
        this.updateGridDimensions()
      },
      async gridUuid () {
        await this.fetchData()
      }
    },
    methods: {
      async fetchData () {
        if (this.gridUuid) {
          this.grid = await this.$store.dispatch('maps/get', this.gridUuid)
          await this.fetchMetadataAnnotations()
          this.updateGridDimensions()
          await this.fetchCellAnnotations()
        }
      },
      handleGridResizerDragStart (event) {
        event.dataTransfer.setDragImage(nullImage, 0, 0)
      },
      async handleGridResizerDragEnd () {
        await this.updateGridMetadataStore()
      },
      handleCellResizerDragStart (event, cell) {
        event.dataTransfer.setDragImage(nullImage, 0, 0)
        this.cellUIStates[cell.uuid].beingResized = true
        let tmpCell = this.getTmpCell(cell)
        this.tmpCells.push(tmpCell)
      },
      handleCellResizerDragEnd (event, cell) {
        let position = this.getGridPositionForEvent(event)
        cell.width = Math.max(1, 1 + position.x - cell.x)
        cell.height = Math.max(1, 1 + position.y - cell.y)
        this.cellUIStates[cell.uuid].beingResized = false
        this.tmpCells = []
        this.updateCellStore(cell)
      },
      handleCellClick (event, cell) {
        this.cellUIStates[cell.uuid].selected = !this.cellUIStates[cell.uuid].selected
        this.updateSelectedCells()
      },
      handleCellDragStart (event, cell) {
        if (this.cellUIStates[cell.uuid].beingResized) {
        }
        else {
          event.dataTransfer.setData('text/plain', JSON.stringify(cell))
          event.dataTransfer.setDragImage(nullImage, 0, 0)
          let elContainerBoundingBox = this.$el.getBoundingClientRect()
          let elBoundingBox = event.srcElement.getBoundingClientRect()
          let offset = {
            x: (event.clientX - elContainerBoundingBox.x) - (elBoundingBox.x - elContainerBoundingBox.x),
            y: (event.clientY - elContainerBoundingBox.y) - (elBoundingBox.y - elContainerBoundingBox.y)
          }
          this.cellUIStates[cell.uuid].draggingOffset = offset
          this.cellUIStates[cell.uuid].beginDragged = true
        }
        let tmpCell = this.getTmpCell(cell)
        this.tmpCells.push(tmpCell)
      },
      handleCellDragEnd (event, cell) {
        this.cellUIStates[cell.uuid].beingDragged = false
      },
      // handleCellContextMenuClick () {
      // },
      // handleCellContextMenuEdit (/* event, cell */) {
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      //   // this.$store.commit('mosys/showSources')
      //   // this.$store.commit('mosys/setSourcesTab', 'tab-default-cells')
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      // },
      async handleCellContextMenuDelete (event, cell) {
        this.cellUIStates[cell.uuid].selected = false
        this.updateSelectedCells()
        this.cells = this.cells.filter(c => c !== cell)
        await this.$store.dispatch('annotations/delete', cell.uuid)
        this.fetchCellAnnotations()
      },
      handleCellContextMenu (event) {
        this.contextMenuClickPosition = this.getGridPositionForEvent(event)
      },
      handleGridDragOver (event) {
        let _this = this
        if (this.resizingGrid) {
          const position = this.getGridPositionForEvent(event)
          this.gridMetadata.ratio = position.ox / (position.oy * 1.0)
          this.updateGridDimensions()
        }
        else {
          let cell = Object.keys(this.cellUIStates).filter(uuid => {
            return _this.cellUIStates[uuid].beginDragged || _this.cellUIStates[uuid].beingResized
          }).map(uuid => {
            return _this.cellUIStates[uuid].cell
          }).shift()
          let offset, position
          if (!cell) {
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            cell = { uuid: null, x: 1, y: 1, width: 1, height: 1 }
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            position = this.getGridPositionForEvent(event)
          }
          else {
            offset = this.cellUIStates[cell.uuid].draggingOffset
            position = this.getGridPositionForEvent(event, offset)
          }
          let tmpCell = this.tmpCells[0]
          if (!tmpCell && this.tmpCells.length === 0) {
            tmpCell = this.getTmpCell(cell)
            this.tmpCells.push(tmpCell)
          }
          if (event.dataTransfer.types.includes('text/plain')) {
            tmpCell.x = position.x
            tmpCell.y = position.y
            event.preventDefault()
          }
          else {
            tmpCell.width = Math.max(1, 1 + position.x - tmpCell.x)
            tmpCell.height = Math.max(1, 1 + position.y - tmpCell.y)
          }
        }
      },
      handleGridDragEnd () {
        this.tmpCells = []
      },
      handleGridDrop (event) {
        let cellDropped = event.dataTransfer.getData('text/plain')
        if (cellDropped) {
          cellDropped = JSON.parse(cellDropped)
          let cell = this.cells.find(c => c.uuid === cellDropped.uuid)
          let offset, position
          if (cell) {
            offset = this.cellUIStates[cell.uuid].draggingOffset
            position = this.getGridPositionForEvent(event, offset)
          }
          else {
            cell = cellDropped
            position = this.getGridPositionForEvent(event)
          }
          cell.x = position.x
          cell.y = position.y
          this.tmpCells = []
          this.updateCellStore(cell)
          event.preventDefault()
        }
      },
      handleGridContextMenu (event) {
        this.contextMenuClickPosition = this.getGridPositionForEvent(event)
      },
      async handleGridContextMenuAddCell () {
        let position = this.contextMenuClickPosition
        let newCell = {
          x: position.x,
          y: position.y,
          width: 1,
          height: 1,
          type: 'text',
          content: 'A new cell is born'
        }
        let annotation = this.getGridCellAnnotation(newCell)
        await this.$store.dispatch('annotations/post', annotation)
        await this.fetchCellAnnotations()
      },
      async handleGridContextMenuInsertColumnLeft () {
        let position = this.contextMenuClickPosition
        for (let cell of this.cells) {
          if (cell.x >= position.x) {
            cell.x += 1
            let annotation = this.getGridCellAnnotation(cell)
            await this.$store.dispatch('annotations/patch', [cell.uuid, annotation])
            await this.fetchCellAnnotations()
          }
        }

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        this.gridMetadata = ObjectUtil.merge({}, this.gridMetadata, { columns: this.gridMetadata.columns + 1 })
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        await this.updateGridMetadataStore()
      },
      async handleGridContextMenuDeleteColumn () {
        let position = this.contextMenuClickPosition
        for (let cell of this.cells) {
          if (cell.x > position.x) {
            cell.x -= 1
            let annotation = this.getGridCellAnnotation(cell)
            await this.$store.dispatch('annotations/patch', [cell.uuid, annotation])
            await this.fetchCellAnnotations()
          }
        }

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        this.gridMetadata = ObjectUtil.merge({}, this.gridMetadata, { columns: this.gridMetadata.columns - 1 })
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        await this.updateGridMetadataStore()
      },
      async handleGridContextMenuInsertRowAbove () {
        let position = this.contextMenuClickPosition
        for (let cell of this.cells) {
          if (cell.y >= position.y) {
            cell.y += 1
            let annotation = this.getGridCellAnnotation(cell)
            await this.$store.dispatch('annotations/patch', [cell.uuid, annotation])
            await this.fetchCellAnnotations()
          }
        }
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        this.gridMetadata = ObjectUtil.merge({}, this.gridMetadata, { rows: this.gridMetadata.rows + 1 })
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        await this.updateGridMetadataStore()
      },
      async handleGridContextMenuDeleteRow () {
        let position = this.contextMenuClickPosition
        for (let cell of this.cells) {
          if (cell.y > position.y) {
            cell.y -= 1
            let annotation = this.getGridCellAnnotation(cell)
            await this.$store.dispatch('annotations/patch', [cell.uuid, annotation])
            await this.fetchCellAnnotations()
          }
        }
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        this.gridMetadata = ObjectUtil.merge({}, this.gridMetadata, { rows: this.gridMetadata.rows - 1 })
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        await this.updateGridMetadataStore()
      },
      handleGridButtonClickEdit () {
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        this.$store.commit('mosys/toggleSources')
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      },
      updateSelectedCells () {
        const _this = this
        let selectedCells = Object.keys(this.cellUIStates).filter(k => {
          return _this.cellUIStates[k].selected
        }).map(k => {
          return _this.cells.find(c => c.uuid === k)
        })
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        this.$store.commit('mosys/setSelectedCells', selectedCells)
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      },
      updateCellUIStates () {
        let newCellUIStates = {}
        this.cells.map(c => {
          newCellUIStates[c.uuid] = {
            selected: false,
            beingResized: false,
            cell: c
          }
        })
        this.cellUIStates = newCellUIStates
        this.updateSelectedCells()
      },
      getTmpCell (cell, type = 'UIFeedback') {
        return {
          srcUuid: cell.uuid,
          type: type,
          x: cell.x,
          y: cell.y,
          width: cell.width,
          height: cell.height
        }
      },
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      getGridPositionForEvent (event, offset = { x: 0, y: 0 }) {
        offset = { x: 0, y: 0 } // TODO: remove quick fix
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        const elContainerBoundingBox = this.$el.getBoundingClientRect()
        const ox = event.clientX + this.$el.scrollLeft - elContainerBoundingBox.x - offset.x
        const oy = event.clientY + this.$el.scrollTop - elContainerBoundingBox.y - offset.y
        const x = Math.ceil(ox / this.gridDimensions.full.cell.width)
        const y = Math.ceil(oy / this.gridDimensions.full.cell.height)
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        return { x: x, y: y, ox: ox, oy: oy }
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      },
      updateGridDimensions () {
        let elWidth = this.$el.offsetWidth
        let elHeight = this.$el.offsetHeight
        let cellSizeRatio = this.gridMetadata.ratio
        let gridHeight = elHeight
        let cellHeight = gridHeight / this.gridMetadata.rows
        let cellWidth = elWidth / Math.round(elWidth / (cellHeight * cellSizeRatio))
        let gridWidth = cellWidth * this.gridMetadata.columns
        let cellsPerWidth = elWidth / cellWidth
        let cellWidthMini = elWidth / this.gridMetadata.columns
        let gridHeightMini = cellWidthMini / cellSizeRatio
        this.gridDimensions = {
          full: {
            width: gridWidth,
            height: gridHeight,
            cell: {
              width: cellWidth,
              height: cellHeight
            },
            cells_per_width: cellsPerWidth
          },
          mini: {
            width: elWidth,
            height: gridHeightMini * this.gridMetadata.rows,
            cell: {
              width: cellWidthMini,
              height: gridHeightMini
            }
          }
        }
        // TODO: fix mobile grid editor view
        // if (elWidth > 800) {
        this.gridStyle = {
          width: this.gridDimensions.full.width + 'px',
          height: '100%',
          'grid-auto-columns': this.gridDimensions.full.cell.width + 'px',
          'grid-auto-rows': this.gridDimensions.full.cell.height + 'px',
          'background-image': this.getGridBackgroundSVG(this.gridDimensions.full.cell)
        }
        /* }
        else {
          this.gridStyle = {
            width: '100%',
            height: this.gridDimensions.mini.height + 'px',
            'grid-auto-columns': this.gridDimensions.mini.cell.width + 'px',
            'grid-auto-rows': this.gridDimensions.mini.cell.height + 'px',
            'background-image': this.getGridBackgroundSVG(this.gridDimensions.mini.cell)
          }
        } */
      },
      getGridBackgroundSVG (cell) {
        return `url("data:image/svg+xml;utf8,` +
          `<svg xmlns='http://www.w3.org/2000/svg' width='100%' height='100%'><defs>` +
          `<pattern id='smallGrid' width='${cell.width}' height='${cell.height}' patternUnits='userSpaceOnUse'>` +
          `<path d='M ${cell.width} 0 L 0 0 0 ${cell.height}' fill='none' stroke='gray' stroke-width='0.5'/>` +
          `</pattern></defs><rect width='100%' height='100%' fill='url(%23smallGrid)' /></svg>")`
      },
      async fetchCellAnnotations () {
        const query = {
          type: 'Annotation',
          'body.type': '2DCell',
          'target.id': this.grid.id
        }
        const result = await this.$store.dispatch('annotations/find', query)
        this.cells = result.items.map(annotation => {
          let cell = JSON.parse(annotation.body.value)
          if (cell) {
            cell.uuid = annotation.uuid
            return cell
          }
          return null
        }).filter(cell => cell)
        this.updateCellUIStates()
      },
      async fetchMetadataAnnotations () {
        const query = {
          'body.type': '2DGridMetadata',
          'target.id': this.grid.id
        }
        const result = await this.$store.dispatch('annotations/find', query)
        let annotation = result.items.shift()
        if (annotation) {
          let metadata = JSON.parse(annotation.body.value)
          metadata.uuid = annotation.uuid
          if (metadata) {
            this.gridMetadata = metadata
          }
        }
        else {
          this.gridMetadata = {
            columns: 10,
            rows: 6,
            ratio: 16 / 9.0
          }
          await this.updateGridMetadataStore()
        }
      },
      getGridCellAnnotation (cell) {
        return {
          body: {
            type: '2DCell',
            purpose: 'linking',
            value: JSON.stringify(cell)
          },
          target: {
            id: this.grid.id,
            type: 'Map',
            selector: {
              type: '2DLocation',
              value: `x=${cell.x}&y=${cell.y}&width=${cell.width}&height=${cell.height}`
            }
          }
        }
      },
      getGridMetadataAnnotation (id, metadata) {
        return {
          body: {
            type: '2DGridMetadata',
            purpose: 'linking',
            value: JSON.stringify(metadata)
          },
          target: {
            id,
            type: 'Map'
          }
        }
      },
      async updateCellStore (cell) {
        let annotation = this.getGridCellAnnotation(cell)
        if (cell.uuid) {
          await this.$store.dispatch('annotations/patch', [cell.uuid, annotation])
        }
        else {
          await this.$store.dispatch('annotations/post', annotation)
        }
        await this.fetchCellAnnotations()
      },
      async updateGridMetadataStore () {
        let mapAnnotation = this.getGridMetadataAnnotation(this.grid.id, this.gridMetadata)

        if (this.gridMetadata.uuid) {
          await this.$store.dispatch('annotations/patch', [this.gridMetadata.uuid, mapAnnotation])
        }
        await this.$store.dispatch('annotations/post', mapAnnotation)
        this.updateGridDimensions()
      },
      getCellStyle (cell) {
        return {
          'grid-column-start': cell.x,
          'grid-column-end': `span ${cell.width}`,
          'grid-row-start': cell.y,
          'grid-row-end': `span ${cell.height}`
        }
      }
      // setCellSet: function (cellSet) {
      //   this.grid = cellSet
      // }
    }
  }
</script>

<style scoped lang="stylus">

  .cell-grid
    display grid
    background-color #eee

  .cell-item

    &
      background-color rgba(0,0,0,0.2)
      border 1px solid #777
      margin 1px
      box-sizing border-box
      position relative
      overflow: hidden
      grid-column-start: 1
      grid-column-end: span 1
      grid-row-start: 1
      grid-row-end: span 1

    &:hover
      background-color lightblue

    &.selected
      background-color lightpink

    .cell-item-inner
      width 100%
      height 100%

    .cell-item-resize-handle
      color rgba(0,0,0,0.2)
      position absolute
      right 0
      bottom 0
      width 18px
      height 20px

      &:hover
        color black

</style>