CKEditor: inline_resize plugin

[kivitendo-erp.git] / js / ckeditor / plugins / inline_resize / plugin.js

diff --git a/js/ckeditor/plugins/inline_resize/plugin.js b/js/ckeditor/plugins/inline_resize/plugin.js
new file mode 100644 (file)
index 0000000..c6df44a
--- /dev/null
+++ b/js/ckeditor/plugins/inline_resize/plugin.js
@@ -0,0 +1,123 @@
+( function() {
+  var win      = CKEDITOR.document.getWindow(),
+      pixelate = CKEDITOR.tools.cssLength;
+
+  CKEDITOR.plugins.add('inline_resize', {
+    init: function( editor ) {
+      var config = editor.config;
+
+      editor.on('loaded', function() {
+        attach(editor);
+      }, null, null, 20); // same priority as floatspace so that both get initialized
+    }
+  });
+
+  function attach( editor ) {
+    var config = editor.config;
+
+    var resize = function (width, height) {
+      var editable;
+      if ( !( editable = editor.editable() ) )
+        return;
+
+      editable.setStyle('width',  pixelate(width));
+      editable.setStyle('height', pixelate(height));
+    }
+
+    var layout = function ( evt ) {
+      var editable;
+      if ( !( editable = editor.editable() ) )
+          return;
+
+      // Show up the space on focus gain.
+      if (  evt && evt.name == 'focus' )
+        float_space.show();
+
+      var editorPos  = editable.getDocumentPosition();
+      var editorRect = editable.getClientRect();
+      var floatRect  = float_space.getClientRect();
+      var viewRect   = win.getViewPaneSize();
+
+      float_space.setStyle( 'position', 'absolute' );
+      float_space.setStyle( 'top',    pixelate( editorPos.y + editorRect.height - floatRect.height + 1) );
+      float_space.setStyle( 'right',  pixelate( viewRect.width - editorRect.right ) );
+    };
+
+    var float_html  = '<div class="cke_editor_inline_resize_button">\u25E2</div>'; // class so that csss can overrise content and style
+    var float_space = CKEDITOR.document.getBody().append( CKEDITOR.dom.element.createFromHtml( float_html ));
+
+    var drag_handler = function( evt ) {
+      var width  = startSize.width  + evt.data.$.screenX - origin.x,
+          height = startSize.height + evt.data.$.screenY - origin.y;
+
+      width  = Math.max( config.resize_minWidth  || 200, Math.min( width  || 0, config.resize_maxWidth  || 9000) );
+      height = Math.max( config.resize_minHeight || 75,  Math.min( height || 0, config.resize_maxHeight || 9000) );
+
+      resize( width, height );
+      layout();
+    };
+
+    var drag_end_handler = function() {
+      CKEDITOR.document.removeListener( 'mousemove', drag_handler );
+      CKEDITOR.document.removeListener( 'mouseup',   drag_end_handler );
+
+      if ( editor.document ) {
+        editor.document.removeListener( 'mousemove', drag_handler );
+        editor.document.removeListener( 'mouseup',   drag_end_handler );
+      }
+    }
+
+    var mousedown_fn =  function( evt ) {
+      var editable;
+      if ( !( editable = editor.editable() ) )
+        return;
+
+      var editorRect = editable.getClientRect();
+      startSize      = { width: editorRect.width, height: editorRect.height };
+      origin         = { x: evt.data.$.screenX, y: evt.data.$.screenY };
+
+      if (config.resize_minWidth  > startSize.width)   config.resize_minWidth = startSize.width;
+      if (config.resize_minHeight > startSize.height) config.resize_minHeight = startSize.height;
+
+      CKEDITOR.document.on( 'mousemove', drag_handler );
+      CKEDITOR.document.on( 'mouseup',   drag_end_handler );
+
+      if ( editor.document ) {
+        editor.document.on( 'mousemove', drag_handler );
+        editor.document.on( 'mouseup',   drag_end_handler );
+      }
+
+      evt.data.$.preventDefault();
+    };
+
+    float_space.setStyle( 'overflow', 'hidden' );
+    float_space.setStyle( 'cursor', 'se-resize' )
+    float_space.on('mousedown', mousedown_fn);
+    float_space.unselectable();
+
+    editor.on( 'focus', function( evt ) {
+      layout( evt );
+    } );
+
+    editor.on( 'blur', function() {
+      float_space.hide();
+    } );
+
+    editor.on( 'destroy', function() {
+      float_space.remove();
+    } );
+
+    if ( editor.focusManager.hasFocus )
+      float_space.show();
+
+    editor.focusManager.add( float_space, 1 );
+  }
+
+})();
+
+/*
+  TODO
+   * ltr support
+   * textarea/div mode safe, currently simply assumes that textarea inline is used
+   * positioning of resize handle is not browser zomm safe
+*/