DocumentServer/OfficeWeb/sdk/Word/Editor/FlowObjects.js

/*
 * (c) Copyright Ascensio System SIA 2010-2015
 *
 * This program is a free software product. You can redistribute it and/or 
 * modify it under the terms of the GNU Affero General Public License (AGPL) 
 * version 3 as published by the Free Software Foundation. In accordance with 
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
 * EU, LV-1021.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under 
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
 "use strict";
var flowobject_Image = 1;
var flowobject_Table = 2;
var flowobject_Paragraph = 3;
function Sort_Ranges_X0(A, B) {
    if (!A.X0 || !B.X0) {
        return 0;
    }
    if (A.X0 < B.X0) {
        return -1;
    } else {
        if (A.X0 > B.X0) {
            return 1;
        }
    }
    return 0;
}
function FlowObjects_CheckInjection(Range1, Range2) {
    for (var Index = 0; Index < Range1.length; Index++) {
        var R1 = Range1[Index];
        var bInject = false;
        for (var Index2 = 0; Index2 < Range2.length; Index2++) {
            var R2 = Range2[Index2];
            if (R1.X0 >= R2.X0 && R1.X0 <= R2.X1 && R1.X1 >= R2.X0 && R1.X1 <= R2.X1) {
                bInject = true;
            }
        }
        if (!bInject) {
            return false;
        }
    }
    return true;
}
function FlowObjects_CompareRanges(Range1, Range2) {
    if (Range1.length < Range2.length) {
        return -1;
    } else {
        if (Range1.length > Range2.length) {
            return -1;
        }
    }
    for (var Index = 0; Index < Range1.length; Index++) {
        if (Math.abs(Range1[Index].X0 - Range2[Index].X0) > 0.001 || Math.abs(Range1[Index].X1 - Range2[Index].X1)) {
            return -1;
        }
    }
    return 0;
}
function CFlowTable(Table, PageIndex) {
    this.Type = flowobject_Table;
    this.Table = Table;
    this.Id = Table.Get_Id();
    this.PageNum = Table.PageNum;
    this.PageController = PageIndex - this.PageNum;
    this.Distance = Table.Distance;
    var Bounds = Table.Get_PageBounds(this.PageController);
    this.X = Bounds.Left;
    this.Y = Bounds.Top;
    this.W = Bounds.Right - Bounds.Left;
    this.H = Bounds.Bottom - Bounds.Top;
    this.WrappingType = WRAPPING_TYPE_SQUARE;
}
CFlowTable.prototype = {
    Get_Type: function () {
        return flowobject_Table;
    },
    IsPointIn: function (X, Y) {
        if (X <= this.X + this.W && X >= this.X && Y >= this.Y && Y <= this.Y + this.H) {
            return true;
        }
        return false;
    },
    Update_CursorType: function (X, Y, PageIndex) {},
    getArrayWrapIntervals: function (x0, y0, x1, y1, Y0Sp, Y1Sp, LeftField, RightField, ret) {
        if (this.WrappingType === WRAPPING_TYPE_THROUGH || this.WrappingType === WRAPPING_TYPE_TIGHT) {
            y0 = Y0Sp;
            y1 = Y1Sp;
        }
        var top = this.Y - this.Distance.T;
        var bottom = this.Y + this.H + this.Distance.B;
        if (y1 < top || y0 > bottom) {
            return ret;
        }
        var b_check = false,
        X0, X1, Y1;
        switch (this.WrappingType) {
        case WRAPPING_TYPE_NONE:
            return ret;
        case WRAPPING_TYPE_SQUARE:
            case WRAPPING_TYPE_THROUGH:
            case WRAPPING_TYPE_TIGHT:
            X0 = this.X - this.Distance.L;
            X1 = this.X + this.W + this.Distance.R;
            Y1 = bottom;
            b_check = true;
            break;
        case WRAPPING_TYPE_TOP_AND_BOTTOM:
            X0 = x0;
            X1 = x1;
            Y1 = bottom;
            break;
        }
        if (b_check) {
            var dx = this.WrappingType === WRAPPING_TYPE_SQUARE ? 6.35 : 3.175;
            if (X0 < LeftField + dx) {
                X0 = x0;
            }
            if (X1 > RightField - dx) {
                X1 = x1;
            }
        }
        ret.push({
            X0: X0,
            X1: X1,
            Y1: Y1,
            typeLeft: this.WrappingType,
            typeRight: this.WrappingType
        });
        return ret;
    }
};
function CFlowParagraph(Paragraph, X, Y, W, H, Dx, Dy, StartIndex, FlowCount, Wrap) {
    this.Type = flowobject_Paragraph;
    this.Table = Paragraph;
    this.Paragraph = Paragraph;
    this.Id = Paragraph.Get_Id();
    this.PageNum = Paragraph.PageNum + Paragraph.Pages.length - 1;
    this.PageController = 0;
    this.StartIndex = StartIndex;
    this.FlowCount = FlowCount;
    this.Distance = {
        T: Dy,
        B: Dy,
        L: Dx,
        R: Dx
    };
    this.X = X;
    this.Y = Y;
    this.W = W;
    this.H = H;
    this.WrappingType = WRAPPING_TYPE_SQUARE;
    switch (Wrap) {
    case undefined:
        case wrap_Around:
        case wrap_Auto:
        this.WrappingType = WRAPPING_TYPE_SQUARE;
        break;
    case wrap_None:
        this.WrappingType = WRAPPING_TYPE_NONE;
        break;
    case wrap_NotBeside:
        this.WrappingType = WRAPPING_TYPE_TOP_AND_BOTTOM;
        break;
    case wrap_Through:
        this.WrappingType = WRAPPING_TYPE_THROUGH;
        break;
    case wrap_Tight:
        this.WrappingType = WRAPPING_TYPE_TIGHT;
        break;
    }
}
CFlowParagraph.prototype = {
    Get_Type: function () {
        return flowobject_Paragraph;
    },
    IsPointIn: function (X, Y) {
        if (X <= this.X + this.W && X >= this.X && Y >= this.Y && Y <= this.Y + this.H) {
            return true;
        }
        return false;
    },
    Update_CursorType: function (X, Y, PageIndex) {},
    getArrayWrapIntervals: function (x0, y0, x1, y1, Y0Sp, Y1Sp, LeftField, RightField, ret) {
        return CFlowTable.prototype.getArrayWrapIntervals.call(this, x0, y0, x1, y1, Y0Sp, Y1Sp, LeftField, RightField, ret);
    }
};