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Add code for creating buttions with confirmation prompts.

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voussoir 2018-07-28 20:21:20 -07:00
parent 949f7177de
commit fd6943fce1
1 changed files with 91 additions and 0 deletions
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91
frontends/etiquette_flask/static/js/common.js
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@ -146,3 +146,94 @@ function normalize_tagname(tagname)
tagname = tagname.replace(new RegExp("-", 'g'), "_");
return tagname;
}
common.init_button_with_confirm =
function init_button_with_confirm()
{
/*
To create a button that requires confirmation, simply assign it the class
"button_with_confirm" and give it a data-onclick that would normally
be the onclick. The rest is taken care of automatically.
Optional:
data-prompt, otherwise "Are you sure?".
data-prompt-class
data-confirm, otherwise inherits the original button's text.
data-confirm-class
data-cancel, otherwise "Cancel".
data-cancel-class
*/
var buttons = document.getElementsByClassName("button_with_confirm");
for (var index = 0; index < buttons.length; index += 1)
{
var button = buttons[index];
var holder = document.createElement("span");
holder.classList.add("confirm_holder");
button.parentElement.insertBefore(holder, button);
button.parentElement.removeChild(button);
var holder_stage1 = document.createElement("span");
holder_stage1.classList.add("confirm_holder_stage1");
holder_stage1.appendChild(button);
holder.appendChild(holder_stage1);
var holder_stage2 = document.createElement("span");
holder_stage2.classList.add("confirm_holder_stage2");
holder_stage2.classList.add("hidden");
holder.appendChild(holder_stage2);
var span_prompt = document.createElement("span");
span_prompt.innerText = (button.dataset.prompt || "Are you sure?") + " ";
span_prompt.className = button.dataset.promptClass || "";
holder_stage2.appendChild(span_prompt)
delete button.dataset.prompt;
delete button.dataset.promptClass;
var button_confirm = document.createElement("button");
button_confirm.innerText = button.dataset.confirm || button.innerText;
button_confirm.className = button.dataset.confirmClass || "";
holder_stage2.appendChild(button_confirm);
delete button.dataset.confirm;
delete button.dataset.confirmClass;
var button_cancel = document.createElement("button");
button_cancel.innerText = button.dataset.cancel || "Cancel";
button_cancel.className = button.dataset.cancelClass || "";
holder_stage2.appendChild(button_cancel);
delete button.dataset.cancel;
delete button.dataset.cancelClass;
// If this is stupid, let me know.
var confirm_onclick = button.dataset.onclick + `
;
var holder = event.target.parentElement.parentElement;
holder.getElementsByClassName("confirm_holder_stage1")[0].classList.remove("hidden");
holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden");
`
button_confirm.setAttribute("onclick", confirm_onclick);
button.removeAttribute("onclick");
button.onclick = function(event)
{
var holder = event.target.parentElement.parentElement;
holder.getElementsByClassName("confirm_holder_stage1")[0].classList.add("hidden");
holder.getElementsByClassName("confirm_holder_stage2")[0].classList.remove("hidden");
}
button_cancel.onclick = function(event)
{
var holder = event.target.parentElement.parentElement;
holder.getElementsByClassName("confirm_holder_stage1")[0].classList.remove("hidden");
holder.getElementsByClassName("confirm_holder_stage2")[0].classList.add("hidden");
}
delete button.dataset.onclick;
}
}
common.on_pageload =
function on_pageload()
{
common.init_button_with_confirm();
}
document.addEventListener("DOMContentLoaded", common.on_pageload);