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function disable_save_if_safe()
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/* If this is defined, this engine supports change notification, so is able
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* to enable the button again. Disable it for them. */
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if(editbox.editor.addChangeHandler)
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var savebutton = document.getElementById("save_button");
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savebutton.disabled = true;
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function save_file()
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var savebutton = document.getElementById("save_button");
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var filename = document.getElementById("save_filename").value;
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data = editbox.getCode();
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data = editAreaLoader.getValue("editbox");
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/* Do NOT refresh the page contents (causes problems for editarea and is
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do_action("putfile", filename,
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{"path":".", "data":data, "overwrite":"true"},
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"multipart/form-data", true);
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disable_save_if_safe();
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{"path":".", "data":data, "overwrite":"true"}, null, true);
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savebutton.setAttribute("value", "Saved");
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// XXX Do not disable for now; there is a problem getting the callback
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//savebutton.setAttribute("disabled", "disabled");
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function edit_text()
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var savebutton = document.getElementById("save_button");
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savebutton.disabled = false;
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savebutton.setAttribute("value", "Save");
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savebutton.removeAttribute("disabled");
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/** Presents the "editor heading" inserting it into a given element at
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* the front. Note that the save widget is handled by the Python.
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/** Presents the "editor heading" (the part with the save box)
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* inserting it into a given element at the front.
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function present_editorhead(elem, path, handler_type)
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var div = document.getElementById("actions2");
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/* Set up minimal interface */
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var p = dom_make_text_elem("p", "Save as: ");
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var pathname = document.createElement("input");
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pathname.setAttribute("type", "text");
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pathname.setAttribute("size", "30");
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pathname.setAttribute("id", "save_filename");
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pathname.setAttribute("value", path);
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p.appendChild(pathname);
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var savebutton = document.createElement("input");
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savebutton.setAttribute("id", "save_button");
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savebutton.setAttribute("type", "button");
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savebutton.setAttribute("value", "Saved");
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savebutton.setAttribute("disabled", "disabled");
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savebutton.setAttribute("onclick", "save_file()");
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p.appendChild(savebutton);
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var t = document.createTextNode(" ");
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/* Print a warning message if this is not actually a text file.
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if (handler_type != "text")
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present_editorhead(files, path, handler_type);
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var div = document.createElement("div");
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div.style.height = '100%';
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files.appendChild(div);
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var txt_elem = dom_make_text_elem("textarea",
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div.appendChild(txt_elem);
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txt_elem.setAttribute("id", "editbox");
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language = language_from_mime(current_file.type)
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// Assume plaintext if no type can be determined.
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txt_elem.className = "codepress " + (language ? language : 'text');
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txt_elem.setAttribute("onchange", "edit_text()");
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/* TODO: Make CSS height: 100% work */
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txt_elem.setAttribute("rows", "35");
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/* And set a callback so we know that the editor iframe is loaded so we
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* can set a callback so we know when to enable the save button.
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* We also take this opportunity to disable the save button, if
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* the browser is likely to reenable it as needed. */
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editbox.onload = function() {editbox.addChangeHandler(edit_text);
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disable_save_if_safe(); };
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function language_from_mime(mime)
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return {'text/x-python': 'python',
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'application/javascript': 'javascript',
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'application/xhtml+xml': 'html'}[mime];
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/* Load EditArea into the editbox */
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toolbar: "search, go_to_line, |, undo, redo, |, select_font, |, syntax_selection, |, highlight, |, help",
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start_highlight: true,
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replace_tab_by_spaces: 4,
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change_callback: "edit_text"