1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Text;
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4 | using System.Collections;
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5 | using System.Drawing;
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6 | using System.Windows.Forms;
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7 |
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8 | namespace Netron.Diagramming.Core
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9 | {
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10 | // ----------------------------------------------------------------------
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11 | /// <summary>
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12 | /// Aligns the bottom edges of the selected entities.
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13 | /// </summary>
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14 | // ----------------------------------------------------------------------
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15 | public class AlignBottomEdgesTool : AlignmentToolBase
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16 | {
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17 | // ------------------------------------------------------------------
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18 | /// <summary>
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19 | /// Constructor.
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20 | /// </summary>
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21 | /// <param name="toolName">string: The name of this tool</param>
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22 | // ------------------------------------------------------------------
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23 | public AlignBottomEdgesTool(string toolName)
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24 | : base(toolName)
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25 | {
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26 | }
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27 |
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28 | // ------------------------------------------------------------------
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29 | /// <summary>
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30 | /// Aligns the bottom edges of all selected entities. The vertical
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31 | /// location of the first entity in the selection is used for all
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32 | /// other entities vertical location.
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33 | /// </summary>
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34 | // ------------------------------------------------------------------
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35 | public override void Align(IDiagramEntity[] entities)
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36 | {
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37 | // We want to align the bottom edges, so we need to set the
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38 | // vertical location of each shape to one value. We're
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39 | // going use the first entity in the selection to determine
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40 | // this setting.
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41 | Point offset;
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42 |
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43 | for (int i = 1; i < entities.Length; i++)
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44 | {
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45 | IDiagramEntity entity = entities[i];
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46 |
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47 | // Keep the entities same y location but offset it's
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48 | // x location.
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49 | offset = new Point(
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50 | 0,
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51 | this.bottomEdgeOfFirstEntity - entity.Rectangle.Bottom);
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52 |
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53 | // Move the entity by this amount.
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54 | entity.MoveBy(offset);
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55 | }
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56 | }
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57 | }
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58 | }
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