init

public/tinymce/plugins/codemirror/CodeMirror/addon/display/fullscreen.css

@@ -0,0 +1,6 @@
+.CodeMirror-fullscreen {
+  position: fixed;
+  top: 0; left: 0; right: 0; bottom: 0;
+  height: auto;
+  z-index: 9;
+}

public/tinymce/plugins/codemirror/CodeMirror/addon/display/fullscreen.js

@@ -0,0 +1,31 @@
+(function() {
+  "use strict";
+
+  CodeMirror.defineOption("fullScreen", false, function(cm, val, old) {
+    if (old == CodeMirror.Init) old = false;
+    if (!old == !val) return;
+    if (val) setFullscreen(cm);
+    else setNormal(cm);
+  });
+
+  function setFullscreen(cm) {
+    var wrap = cm.getWrapperElement();
+    cm.state.fullScreenRestore = {scrollTop: window.pageYOffset, scrollLeft: window.pageXOffset,
+                                  width: wrap.style.width, height: wrap.style.height};
+    wrap.style.width = "";
+    wrap.style.height = "auto";
+    wrap.className += " CodeMirror-fullscreen";
+    document.documentElement.style.overflow = "hidden";
+    cm.refresh();
+  }
+
+  function setNormal(cm) {
+    var wrap = cm.getWrapperElement();
+    wrap.className = wrap.className.replace(/\s*CodeMirror-fullscreen\b/, "");
+    document.documentElement.style.overflow = "";
+    var info = cm.state.fullScreenRestore;
+    wrap.style.width = info.width; wrap.style.height = info.height;
+    window.scrollTo(info.scrollLeft, info.scrollTop);
+    cm.refresh();
+  }
+})();

public/tinymce/plugins/codemirror/CodeMirror/addon/display/placeholder.js

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+(function() {
+  CodeMirror.defineOption("placeholder", "", function(cm, val, old) {
+    var prev = old && old != CodeMirror.Init;
+    if (val && !prev) {
+      cm.on("blur", onBlur);
+      cm.on("change", onChange);
+      onChange(cm);
+    } else if (!val && prev) {
+      cm.off("blur", onBlur);
+      cm.off("change", onChange);
+      clearPlaceholder(cm);
+      var wrapper = cm.getWrapperElement();
+      wrapper.className = wrapper.className.replace(" CodeMirror-empty", "");
+    }
+
+    if (val && !cm.hasFocus()) onBlur(cm);
+  });
+
+  function clearPlaceholder(cm) {
+    if (cm.state.placeholder) {
+      cm.state.placeholder.parentNode.removeChild(cm.state.placeholder);
+      cm.state.placeholder = null;
+    }
+  }
+  function setPlaceholder(cm) {
+    clearPlaceholder(cm);
+    var elt = cm.state.placeholder = document.createElement("pre");
+    elt.style.cssText = "height: 0; overflow: visible";
+    elt.className = "CodeMirror-placeholder";
+    elt.appendChild(document.createTextNode(cm.getOption("placeholder")));
+    cm.display.lineSpace.insertBefore(elt, cm.display.lineSpace.firstChild);
+  }
+
+  function onBlur(cm) {
+    if (isEmpty(cm)) setPlaceholder(cm);
+  }
+  function onChange(cm) {
+    var wrapper = cm.getWrapperElement(), empty = isEmpty(cm);
+    wrapper.className = wrapper.className.replace(" CodeMirror-empty", "") + (empty ? " CodeMirror-empty" : "");
+
+    if (empty) setPlaceholder(cm);
+    else clearPlaceholder(cm);
+  }
+
+  function isEmpty(cm) {
+    return (cm.lineCount() === 1) && (cm.getLine(0) === "");
+  }
+})();