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GUAC-692: Replace magic numbers with constants.

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This commit is contained in:
Michael Jumper
2014-05-16 13:48:47 -07:00
parent 670766ee2d
commit 65c56970cb
1 changed files with 24 additions and 4 deletions
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28
guacamole/src/main/webapp/scripts/client-ui.js
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@@ -198,6 +198,8 @@ GuacUI.Client = {
"KEYBOARD_AUTO_RESIZE_INTERVAL" : 30, /* milliseconds */
"RECONNECT_PERIOD" : 15, /* seconds */
"TEXT_INPUT_PADDING" : 128, /* characters */
"TEXT_INPUT_PADDING_CODEPOINT" : 0x200B,
/* Main application area */
@@ -2066,13 +2068,32 @@ GuacUI.Client.attach = function(guac) {
for (i=0; i<keys.length; i++)
apply_key_behavior(keys[i]);
/**
* Removes all content from the text input target, replacing it with the
* given number of padding characters. Padding of the requested size is
* added on both sides of the cursor, thus the overall number of characters
* added will be twice the number specified.
*
* @param {Number} padding The number of characters to pad the text area
* with.
*/
function reset_text_input_target(padding) {
var padding_char = String.fromCharCode(GuacUI.Client.TEXT_INPUT_PADDING_CODEPOINT);
// Pad text area with an arbitrary, non-typable character (so there is something
// to delete with backspace or del), and position cursor in middle.
GuacUI.Client.text_input.target.value = new Array(padding*2 + 1).join(padding_char);
GuacUI.Client.text_input.target.setSelectionRange(padding, padding);
}
GuacUI.Client.text_input.target.onfocus = function() {
GuacUI.Client.text_input.enabled = true;
// Reset content
GuacUI.Client.text_input.target.value = new Array(257).join("\u200B");
GuacUI.Client.text_input.target.setSelectionRange(128, 128);
reset_text_input_target(GuacUI.Client.TEXT_INPUT_PADDING);
};
@@ -2120,8 +2141,7 @@ GuacUI.Client.attach = function(guac) {
send_string(content);
// Reset content
GuacUI.Client.text_input.target.value = new Array(257).join("\u200B");
GuacUI.Client.text_input.target.setSelectionRange(128, 128);
reset_text_input_target(GuacUI.Client.TEXT_INPUT_PADDING);
}, false);