From a3d879d427c1236d26832dcd0312b3e0d6158bbe Mon Sep 17 00:00:00 2001
From: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Date: Mon, 26 Jan 2015 20:57:42 -0800
Subject: Refactor web editor

---
 app/assets/javascripts/blob/blob.js.coffee      | 73 +++++++++++++++++++++++++
 app/assets/javascripts/blob/edit_blob.js.coffee | 40 ++++++++++++++
 app/assets/javascripts/blob/new_blob.js.coffee  | 17 ++++++
 3 files changed, 130 insertions(+)
 create mode 100644 app/assets/javascripts/blob/blob.js.coffee
 create mode 100644 app/assets/javascripts/blob/edit_blob.js.coffee
 create mode 100644 app/assets/javascripts/blob/new_blob.js.coffee

(limited to 'app/assets/javascripts/blob')

diff --git a/app/assets/javascripts/blob/blob.js.coffee b/app/assets/javascripts/blob/blob.js.coffee
new file mode 100644
index 00000000000..a5f15f80c5c
--- /dev/null
+++ b/app/assets/javascripts/blob/blob.js.coffee
@@ -0,0 +1,73 @@
+class @BlobView
+  constructor: ->
+    # handle multi-line select
+    handleMultiSelect = (e) ->
+      [ first_line, last_line ] = parseSelectedLines()
+      [ line_number ] = parseSelectedLines($(this).attr("id"))
+      hash = "L#{line_number}"
+
+      if e.shiftKey and not isNaN(first_line) and not isNaN(line_number)
+        if line_number < first_line
+          last_line = first_line
+          first_line = line_number
+        else
+          last_line = line_number
+
+        hash = if first_line == last_line then "L#{first_line}" else "L#{first_line}-#{last_line}"
+
+      setHash(hash)
+      e.preventDefault()
+
+    # See if there are lines selected
+    # "#L12" and "#L34-56" supported
+    highlightBlobLines = (e) ->
+      [ first_line, last_line ] = parseSelectedLines()
+
+      unless isNaN first_line
+        $("#tree-content-holder .highlight .line").removeClass("hll")
+        $("#LC#{line}").addClass("hll") for line in [first_line..last_line]
+        $.scrollTo("#L#{first_line}") unless e?
+
+    # parse selected lines from hash
+    # always return first and last line (initialized to NaN)
+    parseSelectedLines = (str) ->
+      first_line = NaN
+      last_line = NaN
+      hash = str || window.location.hash
+
+      if hash isnt ""
+        matches = hash.match(/\#?L(\d+)(\-(\d+))?/)
+        first_line = parseInt(matches?[1])
+        last_line = parseInt(matches?[3])
+        last_line = first_line if isNaN(last_line)
+
+      [ first_line, last_line ]
+
+    setHash = (hash) ->
+      hash = hash.replace(/^\#/, "")
+      nodes = $("#" + hash)
+      # if any nodes are using this id, they must be temporarily changed
+      # also, add a temporary div at the top of the screen to prevent scrolling
+      if nodes.length > 0
+        scroll_top = $(document).scrollTop()
+        nodes.attr("id", "")
+        tmp = $("<div></div>")
+          .css({ position: "absolute", visibility: "hidden", top: scroll_top + "px" })
+          .attr("id", hash)
+          .appendTo(document.body)
+
+      window.location.hash = hash
+
+      # restore the nodes
+      if nodes.length > 0
+        tmp.remove()
+        nodes.attr("id", hash)
+
+    # initialize multi-line select
+    $("#tree-content-holder .line-numbers a[id^=L]").on("click", handleMultiSelect)
+
+    # Highlight the correct lines on load
+    highlightBlobLines()
+
+    # Highlight the correct lines when the hash part of the URL changes
+    $(window).on("hashchange", highlightBlobLines)
diff --git a/app/assets/javascripts/blob/edit_blob.js.coffee b/app/assets/javascripts/blob/edit_blob.js.coffee
new file mode 100644
index 00000000000..79433dab505
--- /dev/null
+++ b/app/assets/javascripts/blob/edit_blob.js.coffee
@@ -0,0 +1,40 @@
+class @EditBlob
+  constructor: (assets_path, mode)->
+    ace.config.set "modePath", assets_path + '/ace'
+    ace.config.loadModule "ace/ext/searchbox"
+    if mode
+      ace_mode = mode
+    editor = ace.edit("editor")
+    editor.focus()
+
+    if ace_mode
+      editor.getSession().setMode "ace/mode/" + ace_mode
+
+    disableButtonIfEmptyField "#commit_message", ".js-commit-button"
+    $(".js-commit-button").click ->
+      $("#file-content").val editor.getValue()
+      $(".file-editor form").submit()
+      return
+
+    editModePanes = $(".js-edit-mode-pane")
+    editModeLinks = $(".js-edit-mode a")
+    editModeLinks.click (event) ->
+      event.preventDefault()
+      currentLink = $(this)
+      paneId = currentLink.attr("href")
+      currentPane = editModePanes.filter(paneId)
+      editModeLinks.parent().removeClass "active hover"
+      currentLink.parent().addClass "active hover"
+      editModePanes.hide()
+      if paneId is "#preview"
+        currentPane.fadeIn 200
+        $.post currentLink.data("preview-url"),
+          content: editor.getValue()
+        , (response) ->
+          currentPane.empty().append response
+          return
+
+      else
+        currentPane.fadeIn 200
+        editor.focus()
+      return
diff --git a/app/assets/javascripts/blob/new_blob.js.coffee b/app/assets/javascripts/blob/new_blob.js.coffee
new file mode 100644
index 00000000000..ed4b7c47936
--- /dev/null
+++ b/app/assets/javascripts/blob/new_blob.js.coffee
@@ -0,0 +1,17 @@
+class @NewBlob
+  constructor: (assets_path, mode)->
+    ace.config.set "modePath", assets_path + '/ace'
+    ace.config.loadModule "ace/ext/searchbox"
+    if mode
+      ace_mode = mode
+    editor = ace.edit("editor")
+    editor.focus()
+
+    if ace_mode
+      editor.getSession().setMode "ace/mode/" + ace_mode
+
+    disableButtonIfEmptyField "#commit_message", ".js-commit-button"
+    $(".js-commit-button").click ->
+      $("#file-content").val editor.getValue()
+      $(".file-editor form").submit()
+      return
-- 
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