71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
(function () {
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/*
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* When the text in an edit pane is changed, clear the contents of
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* the associated preview pne so that it will be regenerated when
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* the user next switches to it.
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*/
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$(document).on("change", ".richtext_container textarea", function () {
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var container = $(this).closest(".richtext_container");
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var preview = container.find(".tab-pane[id$='_preview']");
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preview.children(".richtext_placeholder").attr("hidden", true).removeClass("delayed-fade-in");
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preview.children(".richtext").empty();
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});
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/*
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* Install a handler to set the minimum preview pane height
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* when switching away from an edit pane
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*/
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$(document).on("hide.bs.tab", ".richtext_container button[data-bs-target$='_edit']", function () {
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var container = $(this).closest(".richtext_container");
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var editor = container.find("textarea");
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var preview = container.find(".tab-pane[id$='_preview']");
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var minHeight = editor.outerHeight() - preview.outerHeight() + preview.height();
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preview.css("min-height", minHeight + "px");
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});
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/*
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* Install a handler to switch to preview mode
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*/
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$(document).on("show.bs.tab", ".richtext_container button[data-bs-target$='_preview']", function () {
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var container = $(this).closest(".richtext_container");
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var editor = container.find("textarea");
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var preview = container.find(".tab-pane[id$='_preview']");
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if (preview.children(".richtext").contents().length === 0) {
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preview.children(".richtext_placeholder").removeAttr("hidden").addClass("delayed-fade-in");
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preview.children(".richtext").load(editor.data("previewUrl"), { text: editor.val() }, function () {
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preview.children(".richtext_placeholder").attr("hidden", true).removeClass("delayed-fade-in");
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});
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}
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});
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$(window).on("resize", updateHelp);
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$(document).on("turbo:load", function () {
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$(".richtext_container textarea").on("invalid", invalidTextareaListener);
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updateHelp();
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});
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function invalidTextareaListener() {
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var container = $(this).closest(".richtext_container");
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container.find("button[data-bs-target$='_edit']").tab("show");
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}
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function updateHelp() {
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$(".richtext_container .richtext_help_sidebar:not(:visible):not(:empty)").each(function () {
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var container = $(this).closest(".richtext_container");
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$(this).children().appendTo(container.find(".tab-pane[id$='_help']"));
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});
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$(".richtext_container .richtext_help_sidebar:visible:empty").each(function () {
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var container = $(this).closest(".richtext_container");
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container.find(".tab-pane[id$='_help']").children().appendTo($(this));
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if (container.find("button[data-bs-target$='_help'].active").length) {
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container.find("button[data-bs-target$='_edit']").tab("show");
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}
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});
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}
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}());
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