| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878 | /** * Spreadjs 通用方法集 * * @author Mai * @date 2018/02/06 * @version */// 定义画点线的方法const proto = window.CanvasRenderingContext2D && CanvasRenderingContext2D.prototype;proto.dottedLine = function (x1, y1, x2, y2, interval = 4) {    const isHorizontal = x1 == x2 ? false : true;    const dotLen = 1;    let len = isHorizontal ? x2 - x1 : y2 - y1;    this.moveTo(x1, y1);    let progress = 0;    while (len > progress) {        if (progress > len) { progress = len; }        if (isHorizontal) {            this.moveTo(x1 + progress, y1);            this.lineTo(x1 + progress + dotLen, y1);        } else {            this.moveTo(x1, y1 + progress);            this.lineTo(x1, y1 + progress + dotLen);        }        progress += interval;    }};// 简写Spread常量const spreadNS = GC.Spread.Sheets;// SpreadJs常用方法const SpreadJsObj = {    DataType: {        Data: 'data',        Tree: 'tree',    },    /**     * 创建Spread(默认1张表,3行数据)     * @param obj 用于创建spreadjs的Dom元素     * @returns {GC.Spread.Sheets.Workbook}     */    createNewSpread: function (obj) {        const spread = new spreadNS.Workbook(obj, {sheetCount: 1});        spread.options.tabStripVisible = false;        spread.options.scrollbarMaxAlign = true;        spread.options.cutCopyIndicatorVisible = false;        spread.options.allowCopyPasteExcelStyle = false;        spread.options.allowUserDragDrop = false;        spread.options.allowUserEditFormula = false;        spread.getActiveSheet().options.clipBoardOptions = GC.Spread.Sheets.ClipboardPasteOptions.values;//设置粘贴时只粘贴值        spread.getActiveSheet().setRowCount(3);        return spread;    },    /**     * 保护sheet(需设置保护后, 单元格的locked等属性方可生效)     * @param {GC.Spread.Sheets.Worksheet} sheet     */    protectedSheet: function (sheet) {        const option = {            allowSelectLockedCells: true,            allowSelectUnlockedCells: true,            allowResizeRows: true,            allowResizeColumns: true        };        sheet.options.protectionOptions = option;        sheet.options.isProtected = true;        sheet.options.allowCellOverflow = false;    },    /**     * sheet批量操作优化(sheet操作大批量数据时, 屏蔽数据刷新, 可优化大量时间)     * @param {GC.Spread.Sheets.Worksheet} sheet     * @param {function} operation     */    beginMassOperation: function (sheet) {        sheet.suspendPaint();        sheet.suspendEvent();    },    endMassOperation: function (sheet) {        sheet.resumeEvent();        sheet.resumePaint();    },    massOperationSheet: function (sheet, operation) {        this.beginMassOperation(sheet);        operation();        this.endMassOperation(sheet);    },    /**     * 获取Obj左顶点位置(部分功能需通过spreadjs左顶点位置计算)     * @param obj     * @returns {{x: number, y: number}}     */    getObjPos: function (obj) {        let target = obj;        let pos = {x: obj.offsetLeft, y: obj.offsetTop};        target = obj.offsetParent;        while (target) {            pos.x += target.offsetLeft;            pos.y += target.offsetTop;            target = target.offsetParent;        }        return pos;    },    /**     * 以下四个方法来自Spread示例, 参见官网或文档     */    getHitTest: function (obj, e, sheet) {        var offset = obj.offset(),            x = e.pageX - offset.left,            y = e.pageY - offset.top;        return sheet.hitTest(x, y);    },    getTargetSelection: function (sheet, target) {        if (target.hitTestType === spreadNS.SheetArea.colHeader) {            return sheet.getRange(-1, target.col, sheet.getRowCount(), 1);        } else if (target.hitTestType === spreadNS.SheetArea.rowHeader) {            return sheet.getRange(target.row, -1, 1, sheet.getColumnCount());        } else if (target.hitTestType === spreadNS.SheetArea.viewport) {            return sheet.getRange(target.row, target.col, 1, 1);        } else if (target.hitTestType === spreadNS.SheetArea.corner) {            return sheet.getRange(-1, -1, sheet.getRowCount(), sheet.getColumnCount());        };    },    getCellInSelections: function (selections, row, col) {        const count = selections.length;        let range;        for (var i = 0; i < count; i++) {            range = selections[i];            if (range.contains(row, col)) {                return range;            }        }        return null;    },    checkTargetInSelection: function (selections, range) {        var count = selections.length, sel;        for (var i = 0; i < count; i++) {            sel = selections[i];            if (sel.containsRange(range)) {                return true;            }        }        return false;    },    /**     * 获取 spread 在鼠标右键时, spread的选中区域     * viewport, 选中鼠标点击单元格X, X不在原选中区域内, 则选中X     * colHeader, 选中整列     * rowHeader, 选中整行     * corner, 全选     * 该方法返回不符合需求时,可通过getHitTest/getTargetSelection/getCellInSelections/checkTargetInSelection来确定鼠标右键点击时,spread当前Sheet应选中的单元格     * @param obj: 创建Spread的Dom元素(jquery-contextmenu.build方法的第一个变量可读取)     * @param e: jquery-contextmenu.build方法的第二个变量     * @param {GC.Spread.Sheets.Workbook} spread     * @returns {*}     */    safeRightClickSelection: function (obj, e, spread) {        const sheet = spread.getActiveSheet();        const selections = sheet.getSelections(), target = this.getHitTest(obj, e, sheet), range = this.getTargetSelection(sheet, target);        if (!this.checkTargetInSelection(selections, range)) {            sheet.setSelection(range.row, range.col, range.rowCount, range.colCount);        }        return target;    },    /**     * sheet中 使用delete键,触发EndEdited事件     * @param {GC.Spreads.Sheets.Workbook} spread     * @param {function} fun     */    addDeleteBind: function (spread, fun) {        spread.commandManager().register('deleteEvent', function () {            fun(spread.getActiveSheet());        });        spread.commandManager().setShortcutKey(null, GC.Spread.Commands.Key.del, false, false, false, false);        spread.commandManager().setShortcutKey('deleteEvent', GC.Spread.Commands.Key.del, false, false, false, false);    },    _initSheetDeafult: function (sheet) {        if (sheet.zh_setting.headerFont) {            const vStyle = new spreadNS.Style();            vStyle.font = sheet.zh_setting.headerFont;            sheet.setDefaultStyle(vStyle, spreadNS.SheetArea.colHeader);        }        if (sheet.zh_setting.font) {            const vStyle = new spreadNS.Style();            vStyle.font = sheet.zh_setting.font;            sheet.setDefaultStyle(vStyle, spreadNS.SheetArea.viewport);        }    },    /**     * 根据sheet.zh_setting初始化sheet表头     * @param {GC.Spread.Sheets.Worksheet} sheet     */    _initSheetHeader: function (sheet) {        if (!sheet.zh_setting) { return; }        sheet.setColumnCount(sheet.zh_setting.cols.length);        sheet.setRowCount(sheet.zh_setting.headRows, spreadNS.SheetArea.colHeader);        for (let iRow = 0; iRow < sheet.zh_setting.headRowHeight.length; iRow ++) {            sheet.setRowHeight(iRow, sheet.zh_setting.headRowHeight[iRow], spreadNS.SheetArea.colHeader);        }        for (let iCol = 0; iCol < sheet.zh_setting.cols.length; iCol++) {            const col = sheet.zh_setting.cols[iCol];            const title = col.title.split('|');            const colSpan = col.colSpan ? col.colSpan.split('|'): ['1'], rowSpan = col.rowSpan ? col.rowSpan.split('|'): ['1'];            for (let i = 0; i < title.length; i++) {                const cell = sheet.getCell(i, iCol, spreadNS.SheetArea.colHeader);                cell.text(title[i]).wordWrap(true);                if ((colSpan[i] !== '' && colSpan[i] !== '1') || (rowSpan[i] !== '' && rowSpan[i] !== '1')) {                    sheet.addSpan(i, iCol, parseInt(rowSpan[i]), parseInt(colSpan[i]), spreadNS.SheetArea.colHeader);                }            }            sheet.setColumnWidth(iCol, col.width);            if (col.visible !== undefined && col.visible !== null) {                sheet.setColumnVisible(iCol, col.visible);            }        }        sheet.rowOutlines.direction(spreadNS.Outlines.OutlineDirection.backward);        sheet.showRowOutline(false);        if (sheet.zh_setting.defaultRowHeight) {            sheet.defaults.rowHeight = sheet.zh_setting.defaultRowHeight;        }    },    /**     * 初始化sheet, 设置sheet.zh_setting, 并初始化表头     * @param {GC.Spread.Sheets.Worksheet} sheet     * @param setting     */    initSheet: function (sheet, setting) {        this.beginMassOperation(sheet);        sheet.zh_setting = setting;        this._initSheetDeafult(sheet);        this._initSheetHeader(sheet);        sheet.setRowCount(sheet.zh_setting.emptyRows);        sheet.extendCellType = {};        sheet.getRange(0, 0, sheet.getRowCount(), sheet.getColumnCount()).locked(setting.readOnly);        this.endMassOperation(sheet);    },    _loadRowData: function (sheet, data, row) {        // 单元格重新写入数据        if (!data) { return }        sheet.zh_setting.cols.forEach(function (col, j) {            const cell = sheet.getCell(row, j);            if (col.field !== '' && data[col.field]) {                cell.value(data[col.field]);            }            if (col.readOnly && Object.prototype.toString.apply(col.readOnly) === "[object Function]") {                cell.locked(col.readOnly(data) || sheet.zh_setting.readOnly || false).vAlign(1).hAlign(col.hAlign);            } else {                cell.locked(col.readOnly || sheet.zh_setting.readOnly || false).vAlign(1).hAlign(col.hAlign);            }            if (col.formatter) {                cell.formatter(col.formatter);            }        });    },    /**     * 整个sheet重新加载数据     * @param {GC.Spread.Sheets.Worksheet} sheet     */    reLoadSheetData: function (sheet) {        const self = this;        const sortData = sheet.zh_dataType === 'tree' ? sheet.zh_tree.nodes : sheet.zh_data;        this.beginMassOperation(sheet);        try {            sheet.clear(0, 0, sheet.getRowCount(), sheet.getColumnCount(), spreadNS.SheetArea.viewport, spreadNS.StorageType.data)            // 设置总行数            const totalRow = sortData.length + sheet.zh_setting.emptyRows;            sheet.setRowCount(totalRow, spreadNS.SheetArea.viewport);            // 控制空白行            const emptyRows = sheet.getRange(sortData.length, -1, sheet.zh_setting.emptyRows, -1);            emptyRows.locked(sheet.zh_dataType === 'tree');            // 单元格写入数据            sortData.forEach(function (data, i) {                self._loadRowData(sheet, data, i);                sheet.setRowVisible(i, data.visible);            });            // 设置列单元格格式            sheet.zh_setting.cols.forEach(function (col, j) {                //if (!col.cellType) { return; }                if (col.cellType === 'tree') {                    if (!sheet.extendCellType.tree) {                        sheet.extendCellType.tree = self.CellType.getTreeNodeCellType();                    }                    sheet.getRange(-1, j, -1, 1).cellType(sheet.extendCellType.tree);                } else if (col.cellType === 'tip') {                    if (!sheet.extendCellType.tip) {                        sheet.extendCellType.tip = self.CellType.getTipCellType();                    }                    sheet.getRange(-1, j, -1, 1).cellType(sheet.extendCellType.tip);                } else if (col.cellType === 'checkbox') {                    if (!sheet.extendCellType.checkbox) {                        sheet.extendCellType.checkbox = new spreadNS.CellTypes.CheckBox();                    }                    sheet.getRange(-1, j, -1, 1).cellType(sheet.extendCellType.checkbox);                }                if (col.formatter) {                    sheet.getRange(-1, j, -1, 1).formatter(col.formatter);                }            });            this.endMassOperation(sheet);        } catch (err) {            this.endMassOperation(sheet);        }    },    /**     * 重新加载部分数据行     * @param {GC.Spread.Sheets.Worksheet} sheet     * @param {Number} row     * @param {Number} count     */    reLoadRowData: function (sheet, row, count = 1) {        //if (row < 0) { return; }        const self = this;        const sortData = sheet.zh_dataType === 'tree' ? sheet.zh_tree.nodes : sheet.zh_data;        this.beginMassOperation(sheet);        try {            // 清空原单元格数据            sheet.clear(row, -1, count, -1, spreadNS.SheetArea.viewport, spreadNS.StorageType.data);            // 单元格重新写入数据            for (let i = row; i < row + count; i++) {                const data = sortData[i];                if (!data) { continue; }                this._loadRowData(sheet, data, i);            }            this.endMassOperation(sheet);        } catch (err) {            this.endMassOperation(sheet);        }    },    /**     * 重新加载部分行数据     * @param {GC.Spread.Sheets.Worksheet} sheet     * @param {Array} rows     */    reLoadRowsData: function (sheet, rows) {        const self = this;        const sortData = sheet.zh_dataType === 'tree' ? sheet.zh_tree.nodes : sheet.zh_data;        this.beginMassOperation(sheet);        try {            for (const row of rows) {                if (row < 0) { continue; }                // 清空原单元格数据                sheet.clear(row, -1, 1, -1, spreadNS.SheetArea.viewport, spreadNS.StorageType.data);                const data = sortData[row];                // 单元格重新写入数据                this._loadRowData(sheet, data, row);            };            this.endMassOperation(sheet);        } catch (err) {            this.endMassOperation(sheet);        }    },    /**     * 重新加载部分列数据     * @param {GC.Spread.Sheets.Worksheet} sheet     * @param {Array} cols     */    reLoadColsData: function (sheet, cols) {        const self = this;        const sortData = sheet.zh_dataType === 'tree' ? sheet.zh_tree.nodes : sheet.zh_data;        this.beginMassOperation(sheet);        try {            for (const iCol of cols) {                // 清空原单元格数据                sheet.clear(-1, iCol, -1, 1, spreadNS.SheetArea.viewport, spreadNS.StorageType.data);                const col = sheet.zh_setting.cols[iCol];                sortData.forEach(function (data, i) {                    // 设置值                    const cell = sheet.getCell(i, iCol);                    if (col.field !== '' && data[col.field]) {                        cell.value(data[col.field]).locked(col.readOnly || sheet.zh_setting.readOnly || false).vAlign(1).hAlign(col.hAlign);                    } else {                        cell.locked(col.readOnly || sheet.zh_setting.readOnly || false).vAlign(1).hAlign(col.hAlign);                    }                    // 设置单元格格式                    if (col.formatter) {                        cell.formatter(col.formatter);                    }                });            }            this.endMassOperation(sheet);        } catch (err) {            this.endMassOperation(sheet);        }    },    reLoadNodesData: function (sheet, nodes) {        this.beginMassOperation(sheet);        nodes = nodes instanceof Array ? nodes : [nodes];        for (const node of nodes) {            const sortData = sheet.zh_dataType === 'tree' ? sheet.zh_tree.nodes : sheet.zh_data;            this._loadRowData(sheet, node, sortData.indexOf(node));        }        this.endMassOperation(sheet);    },    /**     * 根据data加载sheet数据,合并了一般数据和树结构数据的加载     * @param {GC.Spread.Sheets.Worksheet} sheet     * @param {String} dataType - 1.'zh_data' 2.'zh_tree'     * @param {Array|PathTree} data - 对dataType对应     */    loadSheetData: function (sheet, dataType, data){        sheet.zh_dataType = dataType;        if (dataType === 'tree') {            sheet.zh_tree = data;        } else {            sheet.zh_data = data;        }        this.protectedSheet(sheet);        this.reLoadSheetData(sheet);    },    /**     * 获取复制数据HTML格式(过滤不可见单元格)     * @param {GC.Spread.Sheets.Worksheet} sheet     * @returns {string}     */    getFilterCopyHTML: function (sheet) {        const sel = sheet.getSelections()[0];        const html = [];        html.push('<table>');        for (let i = sel.row, iLen = sel.row + sel.rowCount; i < iLen; i++) {            // 跳过隐藏行            if (!sheet.getCell(i, -1).visible()) { continue; }            const rowHtml = [];            rowHtml.push('<tr>');            for (let j = sel.col, jLen = sel.col + sel.colCount; j < jLen; j++) {                const data = sheet.getText(i, j);                rowHtml.push('<td>' + data + '</td>');            }            rowHtml.push('</tr>');            html.push(rowHtml.join(''));        }        html.push('</table>');        return html.join('');    },    /**     * 获取复制数据Text格式(过滤不可见单元格)     * @param {GC.Spread.Sheets.Worksheet} sheet     * @returns {string}     */    getFilterCopyText: function (sheet) {        const copyData = [];        const sel = sheet.getSelections()[0];        for(let i = sel.row, iLen = sel.row + sel.rowCount; i < iLen; i++) {            // 跳过隐藏行            if (!sheet.getCell(i, -1).visible()) { continue; }            const rowText = [];            for (let j = sel.col, jLen = sel.col + sel.colCount; j < jLen; j++) {                const data = sheet.getText(i, j);                rowText.push(data);            }            copyData.push(rowText.join('\t'));        }        return copyData.join('\n');    },    /**     * 树表结构,定位至指定的节点     * @param {GC.Spread.Sheets.Worksheet} sheet - 需要定位的sheet     * @param {Number} id - 定位节点的id     */    locateTreeNode: function (sheet, id) {        const tree = sheet.zh_tree;        if (!tree) { return }        const node = tree.getItems(id);        if (!node) { return }        const index = tree.nodes.indexOf(node);        const sels = sheet.getSelections();        sheet.setSelection(index, sels[0].col, 1, 1);        sheet.showRow(index, spreadNS.VerticalPosition.center);    },    /**     * 获取当前选行的数据对象     * @param {GC.Spread.Sheets.Worksheet} sheet     * @returns {Object}     */    getSelectObject: function (sheet) {        if (!sheet) {            return null;        } else if (sheet.zh_dataType) {            const sel = sheet.getSelections()[0];            if (sheet.zh_dataType === this.DataType.Tree) {                return sheet.zh_tree.nodes[sel.row];            } else if (sheet.zh_dataType === this.DataType.Data) {                return sheet.zh_data[sel.row];            } else {                return null;            }        }    },    /**     * 刷新列显示     * @param sheet     */    refreshColumnVisible: function (sheet) {        if(sheet.zh_setting) {            sheet.zh_setting.cols.forEach(function (col, index) {                if (col.visible !== undefined && col.visible !== null) {                    sheet.setColumnVisible(index, col.visible);                }            });        }    },    /**     * 刷新行显示     * @param sheet     */    refreshTreeRowVisible: function (sheet) {        this.beginMassOperation(sheet);        if (sheet.zh_tree) {            for (const iRow in sheet.zh_tree.nodes) {                const node = sheet.zh_tree.nodes[iRow];                if (node.visible !== undefined && node.visible !== null) {                    sheet.setRowVisible(iRow, node.visible);                } else {                    sheet.setRowVisible(iRow, true);                }            }        }        this.endMassOperation(sheet);    },    /**     * 刷新列是否只读     * @param sheet     * @param field     * @param readonly     */    resetFieldReadOnly: function (sheet, field, readonly) {        const fields = field instanceof Array ? field : [field];        if (sheet.zh_setting) {            sheet.zh_setting.cols.forEach(function (col, i) {                if (fields.indexOf(col.field) !== -1) {                    col.readOnly = readonly;                    sheet.getRange(-1, i, -1, 1).locked(col.readOnly || sheet.zh_setting.readOnly || false);                }            });        }    },    CellType: {        /**         * 获取树结构CellType         * 通过SpreadJsObj.loadSheetData(sheet, 'tree', tree)加载树结构数据         * 要求tree类型为PathTree, 节点必须含有{id, pid, level, order, is_leaf}数据         * @returns {TreeNodeCellType}         */        getTreeNodeCellType: function () {            const indent = 20;            const levelIndent = -5;            const halfBoxLength = 5;            const halfExpandLength = 3;            /**             * 画一条点线段             * @param canvas - 画布             * @param x1 - 线段起点 x             * @param y1 - 线段起点 y             * @param x2 - 线段终点 x             * @param y2 - 线段终点 y             * @param color - 线段颜色             */            const drawDotLine = function (canvas, x1, y1, x2, y2, color) {                canvas.save();                // 设置偏移量                canvas.translate(0.5, 0.5);                canvas.beginPath();                canvas.strokeStyle = color;                canvas.dottedLine(x1, y1, x2, y2);                canvas.stroke();                canvas.restore();            };            /**             * 画一条线段             * @param canvas - 画布             * @param x1 - 线段起点 x             * @param y1 - 线段起点 y             * @param x2 - 线段终点 x             * @param y2 - 线段终点 y             * @param color - 线段颜色             */            const drawLine = function (canvas, x1, y1, x2, y2, color) {                canvas.save();                // 设置偏移量                canvas.translate(0.5, 0.5);                canvas.beginPath();                canvas.moveTo(x1, y1);                canvas.lineTo(x2, y2);                canvas.strokeStyle = color;                canvas.stroke();                canvas.restore();            };            /**             * 画一个方框             * @param {Object} canvas - 画布             * @param {Object} rect - 方框区域             * @param {String} lineColor - 画线颜色             * @param {String} fillColor - 填充颜色             */            const drawBox = function (canvas, rect, lineColor, fillColor) {                canvas.save();                // 设置偏移量                canvas.translate(0.5, 0.5);                canvas.strokeStyle = lineColor;                canvas.beginPath();                canvas.moveTo(rect.left, rect.top);                canvas.lineTo(rect.left, rect.bottom);                canvas.lineTo(rect.right, rect.bottom);                canvas.lineTo(rect.right, rect.top);                canvas.lineTo(rect.left, rect.top);                canvas.stroke();                canvas.fillStyle = fillColor;                canvas.fill();                canvas.restore();            };            /**             * 画树结构-展开收起按钮             * @param {Object} canvas - 画布             * @param {Number} x - 单元格左顶点坐标 x             * @param {Number} y - 单元格左顶点坐标 y             * @param {Number} w - 单元格宽度             * @param {Number} h - 单元格高度             * @param {Number} centerX - 按钮中央坐标             * @param {Number} centerY - 按钮中央坐标             * @param {Boolean} expanded - 当前节点展开收起状态             */            const drawExpandBox = function (canvas, x, y, w, h, centerX, centerY, expanded) {                let rect = {                    top: centerY - halfBoxLength,                    bottom: centerY + halfBoxLength,                    left: centerX - halfBoxLength,                    right: centerX + halfBoxLength                };                let h1, h2, offset = 1;                if (rect.left < x + w) {                    // 方框超出单元格宽度时,超出部分不画。                    rect.right = Math.min(rect.right, x + w);                    drawBox(canvas, rect, '#808080', 'white');                    // 画中心十字                    // 画十字横线                    h1 = centerX - halfExpandLength;                    h2 = Math.min(centerX + halfExpandLength, x + w);                    if (h2 > h1) {                        drawLine(canvas, h1, centerY, h2, centerY, '#808080');                    }                    // 画十字竖线                    if (!expanded && (centerX < x + w)) {                        drawLine(canvas, centerX, centerY - halfExpandLength, centerX, centerY + halfExpandLength, '#808080');                    }                }            };            let TreeNodeCellType = function (){};            TreeNodeCellType.prototype = new spreadNS.CellTypes.Text();            const proto = TreeNodeCellType.prototype;            /**             * 绘制方法             * @param {Object} canvas - 画布             * @param value - cell.value             * @param {Number} x - 单元格左顶点坐标 x             * @param {Number} y - 单元格左顶点坐标 y             * @param {Number} w - 单元格宽度             * @param {Number} h - 单元格高度             * @param {Object} style - cell.style             * @param {Object} options             */            proto.paint = function (canvas, value, x, y, w, h, style, options) {                // 清理 画布--单元格范围 旧数据                if (style.backColor) {                    canvas.save();                    canvas.fillStyle = style.backColor;                    canvas.fillRect(x, y, w, h);                    canvas.restore();                } else {                    canvas.clearRect(x, y, w, h);                }                const tree = options.sheet.zh_tree;                // 使用TreeCellType前,需定义sheet.tree                if (tree) {                    const node = options.row < tree.nodes.length ? tree.nodes[options.row] : null;                    if (node) {                        const showTreeLine = true;                        const centerX = Math.floor(x) + (node.level) * indent + (node.level) * levelIndent + indent / 2;                        const centerY = Math.floor((y + (y + h)) / 2);                        // Draw Sibling Line                        if (showTreeLine) {                            // Draw Horizontal Line                            if (centerX < x + w) {                                const x1 = centerX + indent / 2;                                //drawLine(canvas, centerX, centerY, Math.min(x1, x + w), centerY, 'gray');                                drawDotLine(canvas, centerX, centerY, Math.min(x1, x + w), centerY, '#b8b8b8');                            }                            // Draw Vertical Line                            if (centerX < x + w) {                                const y1 = tree.isLastSibling(node) ? centerY : y + h;                                const parent = tree.getParent(node);                                const y2 = y1 - centerY;                                if (node.order === 1 && !parent) {                                    //drawLine(canvas, centerX, centerY, centerX, y1, 'gray');                                    drawDotLine(canvas, centerX, centerY, centerX, y1, '#b8b8b8');                                } else {                                    //drawLine(canvas, centerX, y, centerX, y1, 'gray');                                    drawDotLine(canvas, centerX, y, centerX, y1, '#b8b8b8');                                }                            }                        }                        // Draw Expand Box                        if (!node.is_leaf) {                            drawExpandBox(canvas, x, y, w, h, centerX, centerY, node.expanded);                        }                        // Draw Parent Line                        if (showTreeLine) {                            let parent = tree.getParent(node), parentCenterX = centerX - indent - levelIndent;                            while (parent) {                                if (!tree.isLastSibling(parent)) {                                    if (parentCenterX < x + w) {                                        //drawLine(canvas, parentCenterX, y, parentCenterX, y + h, 'gray');                                        drawDotLine(canvas, parentCenterX, y, parentCenterX, y + h, '#b8b8b8');                                    }                                }                                parent = tree.getParent(parent);                                parentCenterX -= (indent + levelIndent);                            }                        };                        // 重定位x                        const move = (node.level + 1) * indent + (node.level) * levelIndent;                        x = x + move;                        w = w - move;                    }                }                // Drawing Text                spreadNS.CellTypes.Text.prototype.paint.apply(this, [canvas, value, x, y, w, h, style, options]);            };            /**             * 获取点击信息             * @param {Number} x             * @param {Number} y             * @param {Object} cellStyle             * @param {Object} cellRect             * @param {Object} context             * @returns {{x: *, y: *, row: *, col: *|boolean|*[]|number|{}|UE.dom.dtd.col, cellStyle: *, cellRect: *, sheet: *|StyleSheet, sheetArea: *}}             */            proto.getHitInfo = function (x, y, cellStyle, cellRect, context) {                return {                    x: x,                    y: y,                    row: context.row,                    col: context.col,                    cellStyle: cellStyle,                    cellRect: cellRect,                    sheet: context.sheet,                    sheetArea: context.sheetArea                };            };            /**             * 鼠标点击 树结构按钮 响应展开收起(未加载子节点时,先加载子节点)             * @param {Object} hitinfo - 见getHitInfo             */            proto.processMouseDown = function (hitinfo) {                const offset = -1;                const tree = hitinfo.sheet.zh_tree;                if (!tree) { return; }                const node = tree.nodes[hitinfo.row];                if (!node) { return; }                let centerX = hitinfo.cellRect.x + offset + (node.level) * indent + (node.level) * levelIndent + indent / 2;                let centerY = (hitinfo.cellRect.y + offset + (hitinfo.cellRect.y + offset + hitinfo.cellRect.height)) / 2;                // 点击展开节点时,如果已加载子项,则展开,反之这加载子项,展开                if (Math.abs(hitinfo.x - centerX) < halfBoxLength && Math.abs(hitinfo.y - centerY) < halfBoxLength) {                    const children = tree.getChildren(node);                    if (!node.expanded && !node.is_leaf && children.length === 0 && tree.loadChildren) {                        tree.loadChildren(node, function () {                            node.expanded = true;                            const children = tree.getChildren(node);                            hitinfo.sheet.addRows(hitinfo.row + 1, children.length);                            SpreadJsObj.reLoadRowData(hitinfo.sheet, hitinfo.row + 1, children.length);                        });                    } else {                        tree.setExpanded(node, !node.expanded);                        SpreadJsObj.massOperationSheet(hitinfo.sheet, function () {                            const posterity = tree.getPosterity(node);                            for (const child of posterity) {                                hitinfo.sheet.setRowVisible(tree.nodes.indexOf(child), child.visible, hitinfo.sheetArea);                            }                        });                        hitinfo.sheet.repaint();                    }                }            };            return new TreeNodeCellType();        },        /**         * 获取带悬浮提示CellType         * @returns {TipCellType}         */        getTipCellType: function () {            const TipCellType = function () {};            // 继承 SpreadJs定义的 普通的TextCellType            TipCellType.prototype = new spreadNS.CellTypes.Text();            const proto = TipCellType.prototype;            /**             * 获取点击信息             * @param {Number} x             * @param {Number} y             * @param {Object} cellStyle             * @param {Object} cellRect             * @param {Object} context             * @returns {{x: *, y: *, row: *, col: *|boolean|*[]|number|{}|UE.dom.dtd.col, cellStyle: *, cellRect: *, sheet: *|StyleSheet, sheetArea: *}}             */            proto.getHitInfo = function (x, y, cellStyle, cellRect, context) {                return {                    x: x,                    y: y,                    row: context.row,                    col: context.col,                    cellStyle: cellStyle,                    cellRect: cellRect,                    sheet: context.sheet,                    sheetArea: context.sheetArea                };            };            /**             * 鼠标进入单元格事件 - 显示悬浮提示             * @param {Object} hitinfo - 见getHitInfo返回值             */            proto.processMouseEnter = function (hitinfo) {                const text = hitinfo.sheet.getText(hitinfo.row, hitinfo.col);                const setting = hitinfo.sheet.setting;                if (setting.pos && text && text !== '') {                    if (!this._toolTipElement) {                        let div = $('#autoTip')[0];                        if (!div) {                            div = document.createElement("div");                            $(div).css("position", "absolute")                                .css("border", "1px #C0C0C0 solid")                                .css("box-shadow", "1px 2px 5px rgba(0,0,0,0.4)")                                .css("font", "9pt Arial")                                .css("background", "white")                                .css("padding", 5)                                .attr("id", 'autoTip');                            $(div).hide();                            document.body.insertBefore(div, null);                        }                        this._toolTipElement = div;                        $(this._toolTipElement).text(text).css("top", setting.pos.y + hitinfo.y + 15).css("left", setting.pos.x + hitinfo.x + 15);                        $(this._toolTipElement).show("fast");                    }                }            };            /**             * 鼠标移出单元格事件 - 隐藏悬浮提示             * @param {Object} hitinfo - 见getHitInfo返回值             */            proto.processMouseLeave = function (hitinfo) {                if (this._toolTipElement) {                    $(this._toolTipElement).hide();                    this._toolTipElement = null;                }            };            return new TipCellType();        }    }};
 |