mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-11-04 03:27:00 -05:00
73 lines
2.5 KiB
JavaScript
73 lines
2.5 KiB
JavaScript
/*
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* reference management
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* Copyright 2008 Kovid Goyal
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* License: GNU GPL v3
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*/
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var reference_old_bgcol = "transparent";
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var reference_prefix = "1.";
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var reference_last_highlighted_para = null;
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function show_reference_panel(ref) {
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panel = $("#calibre_reference_panel");
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if (panel.length < 1) {
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$(document.body).append('<div id="calibre_reference_panel" style="top:20px; left:20px; padding-left:30px; padding-right:30px; font:monospace normal;text-align:center; z-index:10000; background: beige; border:red ridge 2px; position:absolute;"><h5>Paragraph</h5><p style="text-indent:0pt">None</p></div>')
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panel = $("#calibre_reference_panel");
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}
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$("> p", panel).text(ref);
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panel.css({top:(window.pageYOffset+20)+"px", left:(window.pageXOffset+20)+"px"});
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panel.fadeIn(500);
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}
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function toggle_reference(e) {
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p = $(this);
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if (e.type == "mouseenter") {
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reference_old_bgcol = p.css("background-color");
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reference_last_highlighted_para = p;
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p.css({backgroundColor:"beige"});
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var i = 0;
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var paras = $("p");
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for (j = 0; j < paras.length; j++,i++) {
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if (paras[j] == p[0]) break;
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}
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show_reference_panel(reference_prefix+(i+1) );
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} else {
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p.css({backgroundColor:reference_old_bgcol});
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panel = $("#calibre_reference_panel").hide();
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reference_last_highlighted_para = null;
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}
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return false;
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}
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function enter_reference_mode() {
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$("p").bind("mouseenter mouseleave", toggle_reference);
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}
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function leave_reference_mode() {
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$("p").unbind("mouseenter mouseleave", toggle_reference);
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panel = $("#calibre_reference_panel");
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if (panel.length > 0) panel.hide();
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if (reference_last_highlighted_para != null)
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reference_last_highlighted_para.css({backgroundColor:reference_old_bgcol});
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}
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function goto_reference(ref) {
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var tokens = ref.split(".");
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if (tokens.length != 2) {alert("Invalid reference: "+ref); return;}
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var num = parseInt(tokens[1]);
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if (isNaN(num)) {alert("Invalid reference: "+ref); return;}
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num -= 1;
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if (num < 0) {alert("Invalid reference: "+ref); return;}
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var p = $("p");
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if (num >= p.length) {alert("Reference not found: "+ref); return;}
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var dest = $(p[num]);
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if (window.paged_display.in_paged_mode) {
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var xpos = dest.offset().left;
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window.paged_display.scroll_to_xpos(xpos, true, true, 1000);
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} else
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$.scrollTo(dest, 1000,
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{onAfter:function(){window.py_bridge.animated_scroll_done()}});
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}
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