Extjs tree (tree) for node icons and remove the icons and then remove the blank part

/* EXT/resources/ext-all.css 817 rows closed folder icon */
. X-tree-node-collapsed. X-tree-node-Icon {
Background-image: URL (../images/default/tree/folder.gif );
}

 

/* EXT/resources/ext-all.css 7134 line open folder icon */
. X-tree-node-expanded. X-tree-node-icon
{
Background-image: URL (../images/default/tree/folder-open.gif );
}

 

/* EXT/resources/xtheme-blue.css 812 row node icon */
. X-tree-node-leaf. X-tree-node-Icon {
Background-image: URL (../images/default/tree/leaf.gif );
}

/* EXT/resources/ext-all.css 3220 row icon location settings */
. X-tree-node-collapsed. x-tree-node-icon ,. x-tree-node-expanded. x-tree-node-icon ,. x-tree-node-leaf. x-tree-node-icon
{
Border: 0 none;
Height: 18px;/* Height of the blank part */
Margin: 0;
Padding: 0;
Vertical-align: top;
Width: 16px;/* width of the blank part */
Background-position: center;
Background-repeat: No-Repeat;
}

To change the icon, you only need to modify the corresponding icon. To remove the icon, you only need to set the position of the icon: Height: 0px; width: 0px.

If you only want to modify the style of a tree, you can add Cls.