mirror of
https://github.com/wmjordan/PDFPatcher.git
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WMJ
109 lines
3.3 KiB
C#
109 lines
3.3 KiB
C#
using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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using PDFPatcher.Common;
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using PDFPatcher.Model;
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namespace PDFPatcher.Functions.Editor;
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sealed class InsertBookmarkCommand : IEditorCommand
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{
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static readonly Regex __RemoveOcrWhiteSpace = new(@"\s{2,}", RegexOptions.Compiled);
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static readonly Regex __FirstChildPatterns = new(@"^ *[（\(\<【〖]?(?:第一[篇章节部節]|一[、\.，\)） 】〗]|1[\)）、])", RegexOptions.Compiled);
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static InsertBookmarkForm _dialog;
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public void Process(Controller controller, params string[] parameters) {
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var v = controller.View.Viewer;
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BookmarkAtClientPoint(controller, v.TransposeVirtualImageToClient(v.PinPoint.X, v.PinPoint.Y));
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}
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static void BookmarkAtClientPoint(Controller controller, Point cp) {
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var v = controller.View.Viewer;
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var pp = v.TransposeClientToPagePosition(cp.X, cp.Y);
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if (pp.Page == 0) {
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return;
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}
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if (Control.ModifierKeys == Keys.Control) {
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v.PinPoint = v.PointToImage(cp);
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ShowInsertBookmarkDialog(controller, cp, new EditModel.Region(pp, null, EditModel.TextSource.Empty));
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return;
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}
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ShowInsertBookmarkDialog(controller, cp, controller.CopyText(cp, pp));
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}
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static void ShowInsertBookmarkDialog(Controller controller, Point mousePoint, EditModel.Region region) {
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var p = region.Position;
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if (p.Page == 0) {
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return;
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}
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var f = GetDialog(controller);
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var v = controller.View.Viewer;
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Point fp;
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var sr = v.SelectionRegion;
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if (sr != RectangleF.Empty) {
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fp = v.TransposeVirtualImageToClient(sr.Left, sr.Top);
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if (v.HorizontalFlow && v.IsReversalLayout) {
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fp.X += sr.Width.ToInt32() + 20;
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}
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fp.Y -= f.Height + 20;
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}
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else {
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fp = new Point(mousePoint.X + 20, mousePoint.Y - f.Height);
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}
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var l = v.PointToScreen(fp);
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if (l.Y < 0) {
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l.Y = l.Y + (int)sr.Height + f.Height + 40;
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if (l.Y + f.Height > Screen.PrimaryScreen.WorkingArea.Height) {
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l.Y = Screen.PrimaryScreen.WorkingArea.Height - f.Height;
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}
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}
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if (l.X < v.PointToScreen(Point.Empty).X) {
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l.X = v.PointToScreen(Point.Empty).X;
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}
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f.Location = l;
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f.TargetPosition = p.PageY;
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if (!String.IsNullOrEmpty(region.Text)) {
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f.Title = __RemoveOcrWhiteSpace.Replace(region.Text, " ").Trim();
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if (__FirstChildPatterns.IsMatch(f.Title)) {
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f.SetInsertMode(InsertBookmarkPositionType.AsChild);
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}
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}
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f.Comment = region.LiteralTextSource;
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f.Show();
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f.TargetPageNumber = p.Page;
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}
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static InsertBookmarkForm GetDialog(Controller controller) {
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if (_dialog != null && !_dialog.IsDisposed) {
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_dialog.Controller = controller;
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return _dialog;
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}
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_dialog = new InsertBookmarkForm {
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Controller = controller
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};
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_dialog.OkClicked += (object sender, CancelEventArgs e) => {
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var f = (InsertBookmarkForm)sender;
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var c = f.Controller;
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var t = f.Title;
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if (string.IsNullOrEmpty(t) && f.InsertMode != 0) {
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f.Comment = "书签标题不能为空。";
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f.FocusTitleBox();
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e.Cancel = true;
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return;
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}
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c.Model.LockDownViewer = true;
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c.InsertBookmark(t, f.TargetPageNumber, f.TargetPosition, f.InsertMode);
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c.Model.LockDownViewer = false;
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};
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_dialog.Deactivate += (s, args) => ((Form)s).Visible = false;
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_dialog.VisibleChanged += (s, args) => {
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var f = (InsertBookmarkForm)s;
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f.Controller.View.Viewer.ShowPinPoint = f.Visible;
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};
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return _dialog;
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}
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}
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