/**
 * Copyright (c) 2011-2018 by Andrew Mustun. All rights reserved.
 * 
 * This file is part of the QCAD project.
 *
 * QCAD is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * QCAD is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with QCAD.
 */

include("scripts/Edit/Paste/Paste.js");
include("scripts/EAction.js");
include("scripts/simple.js");
/**
 * \class ImportFile
 * \brief Inserts a file into the drawing.
 * The target point is specified by the user.
 * \ingroup ecma_edit
 */
function DXFImport(guiAction, fileName) {
    Paste.call(this, guiAction);

    this.sourceDocument = new RDocument(new RMemoryStorage(), createSpatialIndex());
    this.sourceDi = new RDocumentInterface(this.sourceDocument);
    this.sourceDi.setNotifyListeners(false);

    // unit tests pass file name directly to action:
    this.fileName = fileName;
    this.blockName = undefined;
    this.asBlock = false;

    this.newLayerData = new Array();
    this.newPointEntityData = new Array();
    this.newLineEntityData = new Array();
    this.newArcEntityData = new Array();
    this.newCircleEntityData = new Array();
    this.newPolylineEntityData = new Array();
    this.newBlockEntityData = new Array();
    this.newTextEntityData = new Array();
    this.ratio = 1.0;

    // this.setUiOptions(DXFImport.includeBasePath + "/DXFImport.ui");
}

DXFImport.prototype = new Paste();
DXFImport.includeBasePath = includeBasePath;

DXFImport.prototype.beginEvent = function() {
    Paste.prototype.beginEvent.call(this);

    var fileDialogInfo;
    if (!isNull(this.fileName)) {
        fileDialogInfo = [ this.fileName, "" ];
    }
    else {
        fileDialogInfo = this.getFileName();
    }

    // workaround for Qt keyboard focus bug:
    var appWin = RMainWindowQt.getMainWindow();
    if (!isNull(appWin)) {
        appWin.activateWindow();
        appWin.raise();
        appWin.setFocus(Qt.OtherFocusReason);
    }

    if (isNull(fileDialogInfo)) {
        destr(this.sourceDi);
        this.sourceDi = undefined;
        this.terminate();
        return;
    }
    EAction.handleUserWarning("==");
    // var ok = this.readTxt(fileDialogInfo[0]);

    if (this.sourceDi.importFile(fileDialogInfo[0], fileDialogInfo[1], false)!==RDocumentInterface.IoErrorNoError) {
       EAction.handleUserWarning(qsTr("Error while importing file %1").arg(fileDialogInfo[0]));
       if (!isNull(this.sourceDi)) {
           destr(this.sourceDi);
           this.sourceDi = undefined;
       }
       this.terminate();
       return;
    }
};

DXFImport.prototype.finishEvent = function() {
    if (!isNull(this.sourceDi)) {
        destr(this.sourceDi);
    }
    Paste.prototype.finishEvent.call(this);
};

DXFImport.prototype.initOperation = function(op) {
    if (this.asBlock && !isNull(this.blockName) && this.blockName.length>0) {
        op.setBlockName(this.blockName);
    }
    // op.setCopyAllLayers(true);
    // op.setCopyEmptyBlocks(true);
};

DXFImport.prototype.getFileName = function() {
    var appWin = EAction.getMainWindow();

    // if(RSettings.getStringValue("OpenProject/Current","") == ""){
    //     QMessageBox.critical(appWin,
    //         qsTr("提示"),
    //         qsTr("请先选择工程路径"));
    //     return;
    // }

    var lastOpenFileDir = RSettings.getStringValue("OpenProject/Current", RSettings.getDocumentsLocation());
    var filterAll = qsTr("地形文件") + " (*.dxf);";
    var fileDialog = new QFileDialog(appWin, qsTr("请选择地形文件"), lastOpenFileDir, "");
    fileDialog.setNameFilters([filterAll]);
    fileDialog.selectNameFilter(filterAll);
    fileDialog.setOption(QFileDialog.DontUseNativeDialog, getDontUseNativeDialog());
    if (!isNull(QFileDialog.DontUseCustomDirectoryIcons)) {
        fileDialog.setOption(QFileDialog.DontUseCustomDirectoryIcons, true);
    }
    fileDialog.fileMode = QFileDialog.ExistingFiles;
    fileDialog.setLabelText(QFileDialog.FileType, qsTr("Format:"));
    if (!fileDialog.exec()) {
        destr(fileDialog);
        EAction.activateMainWindow();
        return undefined;
    }

    var fileNames = fileDialog.selectedFiles();
    if (fileNames.length===0) {
        destr(fileDialog);
        EAction.activateMainWindow();
        return undefined;
    }

    var fileName = fileNames[0];

    var suffix = new QFileInfo(fileName).suffix();
    suffix = suffix.toUpperCase();

    var imageFormats = QImageReader.supportedImageFormats();
    for (var i=0; i<imageFormats.length; i++) {
        var format = imageFormats[i];
        if (suffix===format.toString().toUpperCase()) {
            include("scripts/Draw/Image/Image.js");
            var imageAction = new Image();
            imageAction.fileName = fileName;
            this.getDocumentInterface(0).queueAction(imageAction);
            this.terminate();
            return;
        }
    }

    var nameFilter = fileDialog.selectedNameFilter();

    destr(fileDialog);
    EAction.activateMainWindow();

    //this.blockName = new QFileInfo(fileNames[0]).baseName();
    //RSettings.setValue("ImportFile/BlockName", new QFileInfo(fileNames[0]).baseName());
    var optionsToolBar = EAction.getOptionsToolBar();
    if (!isNull(optionsToolBar)) {
        var leBlockName = optionsToolBar.findChild("BlockName");
        if (!isNull(leBlockName)) {
            var blockName = new QFileInfo(fileNames[0]).completeBaseName();
            blockName = RDxfServices.getSafeBlockName(blockName);
            leBlockName.text = blockName;
        }
    }

    return [ fileNames[0], nameFilter ];
};

DXFImport.prototype.slotAsBlockChanged = function(value) {
    this.asBlock = value;
    this.updatePreview(true);
};

DXFImport.prototype.slotBlockNameChanged = function(value) {
    this.blockName = value;
    this.updatePreview(true);
};

DXFImport.prototype.readTxt = function (file) {
    var reader = new QFile(file);

    var flags = makeQIODeviceOpenMode(QIODevice.ReadOnly, QIODevice.Text);
    if (!reader.open(flags)) {
        EAction.handleUserWarning("cannot open file: " + file);

        return false;
    }
    var pLineNo = 0;

    //每次都去文件中的一行，然后输出读取到的字符串lyz
    var ts = new QTextStream(reader);
    setUtf8Codec(ts);
    do {

        var code = ts.readLine().trim();
        var value = ts.readLine().trim();
        //var textLine = ts.readLine().trim();
        // EAction.handleUserWarning(textLine);

        code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
        code = code.replace(/\r\n/g, "");
        value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
        value = value.replace(/\r\n/g, "");
        // EAction.handleUserMessage(textLine2);

       // var code = parseInt(textLine.substring(0, 3));
       // var value = textLine.substring(3).trim();

  
        //读取图层数据 liyz
        if (code == '2' && value == 'LAYER') {

            //EAction.handleUserWarning('Layer Info...............................');

            var LayerName = '';
            var LayerColor = '';
            var LayerLineType = '';
            var LayerLineWidth = '';

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                if (code == '2' ) {
                    LayerName = value;
                }
                else if (code == '62') {
                    LayerColor = value;
                }
                else if (code == '6') {
                    LayerLineType = value;
                }
                else if (code == '370') {
                    LayerLineWidth = value;
                    this.newLayerData.push([LayerName, LayerColor, LayerLineType, LayerLineWidth]);
                   // EAction.handleUserWarning(LayerName + ', ' + LayerColor + ', ' + LayerLineType+ ', ' +LayerLineWidth);
                }
                

            } while (!ts.atEnd() && value != 'ENDTAB' && value != 'ENDSEC' && value != 'EOF');

        }

        //读取点数据 liyz
        if (code == '0' && value == 'POINT') {

            //EAction.handleUserWarning('Point Info...............................');

            var POINT_X = '';
            var POINT_Y = '';
            var POINT_Layer = '';

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                if (code == '8') {
                    POINT_Layer = value;
                }
                else if (code == '10') {
                    POINT_X = value;
                }
                else if (code == '20') {
                    POINT_Y = value;
                    this.newPointEntityData.push([parseFloat(POINT_X), parseFloat(POINT_Y), POINT_Layer]);
                    // EAction.handleUserWarning(POINT_X + ', ' + POINT_Y + ', ' + POINT_Layer); 
                    break;
                }


            } while (!ts.atEnd() && code != '0' && value != 'ENDSEC' && value != 'EOF');
        }
               

        //读取线数据 liyz
        if (code == '0' && value == 'LINE') {

           // EAction.handleUserWarning('Line Info...............................');

            var StartPOINT_X = '';
            var StartPOINT_Y = '';
            var EndPOINT_X = '';
            var EndPOINT_Y = '';
            var Line_Layer = '';

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                //EAction.handleUserMessage(code);
                //EAction.handleUserMessage(value);

                if (code == '8') {
                    Line_Layer = value;
                }
                else if (code == '10') {
                    StartPOINT_X = value;
                }
                else if (code == '20') {
                    StartPOINT_Y = value;
                }
                else if (code == '11') {
                    EndPOINT_X = value;
                }
                else if (code == '21') {
                    EndPOINT_Y = value;
                    this.newLineEntityData.push([parseFloat(StartPOINT_X), parseFloat(StartPOINT_Y), parseFloat(EndPOINT_X), parseFloat(EndPOINT_Y), Line_Layer]);
                    //EAction.handleUserWarning(StartPOINT_X + ', ' + StartPOINT_Y + ', ' + EndPOINT_X + ', ' + EndPOINT_Y + ', ' + Line_Layer);
                    break;
                }

            } while (!ts.atEnd() && code != '0' && value != 'ENDSEC' && value != 'EOF');
        }

        //读取圆数据 liyz
        if (code == '0' && value == 'CIRCLE') {

           // EAction.handleUserWarning('Circle Info...............................');

            var CirclePOINT_X = '';
            var CirclePOINT_Y = '';
            var Circle_R = '';
            var Circle_Layer = '';

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                //EAction.handleUserMessage(code);
                //EAction.handleUserMessage(value);

                if (code == '8') {
                    Circle_Layer = value;
                }
                else if (code == '10') {
                    CirclePOINT_X = value;
                }
                else if (code == '20') {
                    CirclePOINT_Y = value;
                }
                else if (code == '40') {
                    Circle_R = value;
                    this.newCircleEntityData.push([parseFloat(CirclePOINT_X), parseFloat(CirclePOINT_Y), parseFloat(Circle_R), Circle_Layer]);
                    //EAction.handleUserWarning(CirclePOINT_X + ', ' + CirclePOINT_Y + ', ' + Circle_R + ', ' + Circle_Layer);
                    break;
                }

            } while (!ts.atEnd() && code != '0' && value != 'ENDSEC' && value != 'EOF');
        }

        //读取弧数据 liyz
        if (code == '0' && value == 'ARC') {

           // EAction.handleUserWarning('Arc Info...............................');

            var ArcPOINT_X = '';
            var ArcPOINT_Y = '';
            var Arc_R = '';
            var Arc_StartAngle = '';
            var Arc_EndAngle = '';
            var Arc_Layer= '';

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                //EAction.handleUserMessage(code);
                //EAction.handleUserMessage(value);

                if (code == '8') {
                    Arc_Layer = value;
                }
                else if (code == '10') {
                    ArcPOINT_X = value;
                }
                else if (code == '20') {
                    ArcPOINT_Y = value;
                }
                else if (code == '40') {
                    Arc_R = value;
                }
                else if (code == '50') {
                    Arc_StartAngle = value;
                }
                else if (code == '51') {
                    Arc_EndAngle = value;
                    this.newArcEntityData.push([parseFloat(ArcPOINT_X), parseFloat(ArcPOINT_Y), parseFloat(Arc_R), parseFloat(Arc_StartAngle), parseFloat(Arc_EndAngle), Arc_Layer]);
                    //EAction.handleUserWarning(ArcPOINT_X + ', ' + ArcPOINT_Y + ', ' + Arc_R + ', ' + Arc_StartAngle + ', ' + Arc_EndAngle + ', ' + Arc_Layer);
                    break;
                }

            } while (!ts.atEnd() && code != '0' && value != 'ENDSEC' && value != 'EOF');
        }

        //读取多线段数据 liyz
        if (code == '0' && value == 'LWPOLYLINE') {

           // EAction.handleUserWarning('Polyline Info...............................');

            var PolyPOINT_X = '';
            var PolyPOINT_Y = '';
            var PolyPOINT_Num = 0;
            var Poly_Layer = '';
            var TempPolyLineData = new Array();

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                //EAction.handleUserWarning(code);
                //EAction.handleUserWarning(value);

                if (code == '8') {
                    Poly_Layer = value;
                }
                else if (code == '90') {
                    PolyPOINT_Num = parseInt(value);
                    //EAction.handleUserWarning(PolyPOINT_Num.toString());
                }
                else if (code == '10') {
                    PolyPOINT_X = value;
                }
                else if (code == '20') {
                    PolyPOINT_Y = value;
                    TempPolyLineData.push([parseFloat(PolyPOINT_X), parseFloat(PolyPOINT_Y)]);
                }

                if (TempPolyLineData.length == PolyPOINT_Num && PolyPOINT_Num>0) {
                    this.newPolylineEntityData.push([TempPolyLineData, Poly_Layer]);
                   // EAction.handleUserWarning(TempPolyLineData.toString());
                    break;
                }

            } while (!ts.atEnd() && code != '0' && value != 'ENDSEC' && value != 'EOF');
        }

        //读取块数据 liyz
        if (code == '0' && value == 'BLOCK') {

           // EAction.handleUserWarning('Block Info...............................');

            var BlockName = '';
            var Block_X = '';
            var Block_Y = '';
            var BlockLayer = '';

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                if (code == '8') {
                    BlockLayer = value;
                }
                else if (code == '2') {
                    BlockName = value;
                }
                else if (code == '10') {
                    Block_X = value;
                }
                else if (code == '20') {
                    Block_Y = value;
                    this.newBlockEntityData.push([BlockName, parseFloat(Block_X), parseFloat(Block_Y), BlockLayer]);
                     //EAction.handleUserWarning(BlockName + ', ' + Block_X + ', ' + Block_Y+ ', ' +BlockLayer);
                    
                }


            } while (!ts.atEnd() && value != 'ENDBLK' && value != 'ENDSEC' && value != 'EOF');

        }

        //读文本数据 liyz
        if (code == '0' && value == 'TEXT') {

            EAction.handleUserWarning('TEXT Info...............................');

            var TextName = '';
            var Text_X = '';
            var Text_Y = '';
            var Text_Hight = 0.0;
           // var Text_angle = 0.0;
            //var Text_font = '';
            var TextLayer = '';

            do {
                code = ts.readLine().trim();
                value = ts.readLine().trim();

                code = code.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                code = code.replace(/\r\n/g, "");
                value = value.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
                value = value.replace(/\r\n/g, "");

                if (code == '8') {
                    TextLayer = value;
                }
                else if (code == '10') {
                    Text_X = value;
                }
                else if (code == '20') {
                    Text_Y = value;
                }
                else if (code == '40') {
                    Text_Hight = value;
                }
                else if (code == '1') {
                    TextName = value;
                    this.newTextEntityData.push([TextName, parseFloat(Text_X), parseFloat(Text_Y), parseFloat(Text_Hight), TextLayer]);
                    EAction.handleUserWarning(TextName + ', ' + Text_X + ', ' + Text_Y + ', ' + Text_Hight + ', ' + TextLayer);
                    break;
                }

            } while (!ts.atEnd() && value != 'ENDBLK' && value != 'ENDSEC' && value != 'EOF');

        }


        pLineNo++;
    }
    while (!ts.atEnd());

    //EAction.handleUserMessage(this.newLayerData.toString());
    //EAction.handleUserMessage(this.newPointEntityData.toString());
    //EAction.handleUserMessage(this.newLineEntityData.toString());
    //EAction.handleUserMessage(this.newCircleEntityData.toString());
    //EAction.handleUserMessage(this.newArcEntityData.toString());
    this.applyOperation();
    reader.close();
    return true;
}

DXFImport.prototype.applyOperation = function (preview) {

    var LineColor = new RColor(105, 105, 105);
    var PointColor = new RColor(255, 0, 0);
    var CircleColor = new RColor(255, 255, 255);
    var ArcColor = new RColor(0, 255, 0);

    //添加图层 liyz
    for (var i = 0; i < this.newLayerData.length;i++) {
        addLayerToView(this.newLayerData[i][0], null/*this.newLayerData[i][1]*/, this.newLayerData[i][2], parseInt(this.newLayerData[i][3]), 1);
        //addLayerToView(this.newLayerData[i][0], null, null, null, 0);
    }

    //绘制点 liyz
    for (var i = 0; i < this.newPointEntityData.length; i++) {
        addPointToView(this.newPointEntityData[i][0], this.newPointEntityData[i][1], 1);
    }

    //绘制线 liyz 
    for (var i = 0; i < this.newLineEntityData.length; i++) {
        addLineToView(this.newLineEntityData[i][0], this.newLineEntityData[i][1], this.newLineEntityData[i][2], this.newLineEntityData[i][3], 1);
    }

    //绘制多线段 liyz 
    for (var i = 0; i < this.newPolylineEntityData.length; i++) {
        addPolylinetoView(this.newPolylineEntityData[i][0], false, false, 1, LineColor);
    }

    //绘制圆 liyz
    for (var i = 0; i < this.newCircleEntityData.length; i++) {

        addCircleToView(this.newCircleEntityData[i][0], this.newCircleEntityData[i][1], this.newCircleEntityData[i][2], 1, CircleColor);
    }


    //绘制弧 liyz
    for (var i = 0; i < this.newArcEntityData.length; i++) {
        addArctoView(this.newArcEntityData[i][0], this.newArcEntityData[i][1], this.newArcEntityData[i][2],
            this.newArcEntityData[i][3], this.newArcEntityData[i][4], false, 1, ArcColor);
    }

    //绘制文字 liyz
    for (var i = 0; i < this.newTextEntityData.length; i++) {
        addSimpleTextToView(this.newTextEntityData[i][0], this.newTextEntityData[i][1], this.newTextEntityData[i][2],
            this.newTextEntityData[i][3], null, null, null, null, null, null,1);
    }

    var di = getAssignDocumentInterface(1);
    if (!isNull(di)) {
        // di.regenerateScenes();
        di.autoZoom();
    }

    return true;
}