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Add button_with_spinner class.

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This commit is contained in:
voussoir 2019-06-15 16:02:41 -07:00
parent 83b7143753
commit f842c2e49b
1 changed files with 71 additions and 3 deletions
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72
frontends/etiquette_flask/static/js/common.js
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@ -154,11 +154,12 @@ function init_button_with_confirm()
data-cancel: Text inside the cancel button. Default is "Cancel". data-cancel: Text inside the cancel button. Default is "Cancel".
data-cancel-class data-cancel-class
data-holder-class: CSS class for the new span that holds the menu.
*/ */
var buttons = Array.from(document.getElementsByClassName("button_with_confirm")); var buttons = Array.from(document.getElementsByClassName("button_with_confirm"));
for (var index = 0; index < buttons.length; index += 1) buttons.forEach(function(button)
{ {
var button = buttons[index];
button.classList.remove("button_with_confirm"); button.classList.remove("button_with_confirm");
var holder = document.createElement("span"); var holder = document.createElement("span");
@ -245,7 +246,73 @@ function init_button_with_confirm()
holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden"); holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden");
} }
delete button.dataset.onclick; delete button.dataset.onclick;
});
} }
var spinner_button_count = 0;
common.init_button_with_spinner =
function init_button_with_spinner()
{
/*
To create a button that has a spinner, and cannot be clicked again while
the action is running, assign it the class "button_with_spinner".
Required:
data-onclick: The string that would normally be the button's onclick.
Optional:
data-spinner-id: If you want to use your own element as the spinner,
give its ID here. Otherwise a new one will be created.
data-holder-class: CSS class for the new span that holds the menu.
*/
var buttons = Array.from(document.getElementsByClassName("button_with_spinner"));
buttons.forEach(function(button)
{
button.classList.remove("button_with_spinner");
button.innerHTML = button.innerHTML.trim();
var holder = document.createElement("span");
holder.classList.add("spinner_holder");
holder.classList.add(button.dataset.holderClass || "spinner_holder");
button.parentElement.insertBefore(holder, button);
button.parentElement.removeChild(button);
holder.appendChild(button);
var spinner_element;
if (button.dataset.spinnerId)
{
spinner_element = document.getElementById(button.dataset.spinnerId);
}
else
{
spinner_element = document.createElement("span");
spinner_element.innerText = "Working...";
spinner_element.classList.add("hidden");
holder.appendChild(spinner_element);
}
var spin = new spinner.Spinner(spinner_element);
var spin_delay = parseFloat(button.dataset.spinnerDelay) || 0;
var wrapped_onclick = Function(button.dataset.onclick);
button.onclick = function()
{
spin.show(spin_delay);
button.disabled = true;
wrapped_onclick();
}
delete button.dataset.onclick;
var closer_id = "spinner_closer_" + spinner_button_count;
spinner_button_count += 1;
window[closer_id] = function spinner_closer()
{
spin.hide();
button.disabled = false;
}
button.dataset.spinnerCloser = closer_id;
});
} }
common.normalize_tagname = common.normalize_tagname =
@ -271,5 +338,6 @@ common.on_pageload =
function on_pageload() function on_pageload()
{ {
common.init_button_with_confirm(); common.init_button_with_confirm();
common.init_button_with_spinner();
} }
document.addEventListener("DOMContentLoaded", common.on_pageload); document.addEventListener("DOMContentLoaded", common.on_pageload);